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Patent #:
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Issue Dt:
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10/30/1979
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Application #:
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05844457
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Filing Dt:
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10/21/1977
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Title:
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PRESSURE SHOCK ABSORBER FOR OXYGEN-REGULATOR SUPPLY SYSTEM
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Patent #:
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Issue Dt:
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01/29/1980
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Application #:
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05903852
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Filing Dt:
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05/08/1978
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Title:
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CORED TYPE WELDING ELECTRODE
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Patent #:
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Issue Dt:
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01/27/1981
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Application #:
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05937124
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Filing Dt:
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08/28/1978
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Title:
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AUTOMATIC PRESETTABLE WELDING SYSTEM
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Patent #:
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Issue Dt:
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01/20/1981
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Application #:
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06011946
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Filing Dt:
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02/13/1979
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Title:
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METHOD AND APPARATUS FOR ARC WELDING OF METAL PLATES FROM ONE SIDE ONLY
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Patent #:
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Issue Dt:
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11/05/1985
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Application #:
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06495577
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Filing Dt:
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05/17/1983
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Title:
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TUBULAR WELDING ELECTRODE
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Patent #:
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Issue Dt:
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02/02/1988
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Application #:
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06891147
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Filing Dt:
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07/31/1986
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Title:
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GAS SHIELDED, FLUX CORED, WELDING ELECTRODE
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Patent #:
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Issue Dt:
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01/05/1988
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Application #:
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06940580
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Filing Dt:
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12/11/1986
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Title:
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METHOD AND DEVICE FOR CONTROLLING A SHORT CIRCUITING TYPE WELDING SYSTEM
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Patent #:
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Issue Dt:
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03/15/1988
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Application #:
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06940868
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Filing Dt:
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12/12/1986
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Title:
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GUN AND CABLE FOR GAS METAL ARC WELDING
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Patent #:
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Issue Dt:
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05/30/1989
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Application #:
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07105345
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Filing Dt:
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10/07/1987
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Title:
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METHOD AND DEVICE FOR CONTROLLING A SHORT CIRCUITING TYPE WELDING SYSTEM
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Patent #:
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Issue Dt:
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08/29/1989
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Application #:
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07138854
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Filing Dt:
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12/29/1987
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Title:
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METHOD AND APPARATUS FOR TIG WELDING
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Patent #:
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Issue Dt:
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05/23/1989
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Application #:
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07138880
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Filing Dt:
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12/29/1987
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Title:
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CONSUMABLE WELDING ELECTRODE AND METHOD OF USING SAME
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Patent #:
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Issue Dt:
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08/29/1989
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Application #:
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07248650
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Filing Dt:
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09/23/1988
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Title:
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PLASMA ARC TORCH DISCONNECT AND VISIBLE INDICIA MEANS
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Patent #:
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Issue Dt:
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09/05/1989
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Application #:
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07248729
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Filing Dt:
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09/23/1988
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Title:
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PLASMA GAS TORCH WITH CONFINED AND CONTROLLED PLASMA JET COLUMN
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Patent #:
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Issue Dt:
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09/12/1989
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Application #:
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07270766
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Filing Dt:
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11/14/1988
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Title:
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APPARATUS AND METHOD OF SHORT CIRCUITING ARC WELDING
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Patent #:
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Issue Dt:
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05/29/1990
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Application #:
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07280240
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Filing Dt:
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12/05/1988
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Title:
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PLASMA ARC TORCH INTERLOCK WITH DISABLING CONTROL ARRANGEMENT SYSTEM
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Patent #:
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Issue Dt:
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01/30/1990
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Application #:
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07306470
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Filing Dt:
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02/06/1989
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Title:
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OUTPUT CONTROL CIRCUIT FOR INVERTER
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Patent #:
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Issue Dt:
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01/30/1990
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Application #:
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07310022
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Filing Dt:
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02/10/1989
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Title:
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APPARATUS AND METHOD OF SHORT CIRCUITING ARC WELDING
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Patent #:
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Issue Dt:
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09/04/1990
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Application #:
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07343238
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Filing Dt:
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04/24/1989
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Title:
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METHOD AND DEVICE FOR CONTROLLING A SHORT CIRCUITING TYPE WELDING SYSTEM
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Patent #:
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Issue Dt:
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01/30/1990
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Application #:
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07346655
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Filing Dt:
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05/03/1989
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Title:
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INVERTER OUTPUT CIRCUIT
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Patent #:
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Issue Dt:
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08/07/1990
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Application #:
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07358655
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Filing Dt:
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05/30/1989
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Title:
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METHOD AND APPARATUS FOR TIG WELDING
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Patent #:
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Issue Dt:
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03/26/1991
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Application #:
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07374755
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Filing Dt:
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07/03/1989
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Title:
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APPARATUS AND METHOD OF SHORT CIRCUITING ARC WELDING
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Patent #:
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Issue Dt:
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05/14/1991
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Application #:
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07396833
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Filing Dt:
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08/21/1989
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Title:
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HIGH MANGANESE CONTAINING WELD BEAD AND ELECTRODE FOR PRODUCING SAME
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Patent #:
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Issue Dt:
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11/20/1990
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Application #:
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07404769
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Filing Dt:
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09/08/1989
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Title:
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APPARATUS FOR SHORT CIRCUITING ARC WELDING
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Patent #:
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Issue Dt:
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03/26/1991
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Application #:
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07405727
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Filing Dt:
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09/11/1989
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Title:
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BASIC METAL CORED ELECTRODE
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Patent #:
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Issue Dt:
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03/19/1991
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Application #:
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07475755
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Filing Dt:
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02/06/1990
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Title:
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APPARATUS AND METHOD OF CONTROLLING A WELDING CYCLE
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Patent #:
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Issue Dt:
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10/08/1991
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Application #:
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07495696
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Filing Dt:
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03/19/1990
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Title:
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LOW HYDROGEN BASIC METAL CORED ELECTRODE
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Patent #:
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Issue Dt:
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06/02/1992
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Application #:
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07501167
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Filing Dt:
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03/29/1990
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Title:
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WELD METAL ALLOY FOR HIGH YIELD STRENGTH AND METHOD OF DEPOSITING SAME
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Patent #:
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Issue Dt:
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11/24/1992
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Application #:
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07557754
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Filing Dt:
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07/23/1990
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Title:
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ENGINE WELDER
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Patent #:
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Issue Dt:
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09/15/1992
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Application #:
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07577105
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Filing Dt:
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09/04/1990
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Title:
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SYSTEM AND METHOD OF SHORT CIRCUITING ARC WELDING
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Patent #:
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Issue Dt:
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04/14/1992
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Application #:
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07655984
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Filing Dt:
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02/15/1991
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Title:
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VENTED ELECTRODE FOR A PLASMA TORCH
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Patent #:
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Issue Dt:
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05/26/1992
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Application #:
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07668790
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Filing Dt:
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03/13/1991
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Title:
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DEVICE AND METHOD FOR STARTING ELECTRIC ARC OF A WELDER
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Patent #:
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Issue Dt:
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06/09/1992
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Application #:
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07684308
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Filing Dt:
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04/12/1991
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Title:
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ELECTRODE AND FLUX FOR ARC WELDING STAINLESS STEEL
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Patent #:
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Issue Dt:
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05/04/1993
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Application #:
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07684310
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Filing Dt:
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04/12/1991
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Title:
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PLASMA TORCH WITH IDENTIFICATION CIRCUIT
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Patent #:
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Issue Dt:
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02/02/1993
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Application #:
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07684331
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Filing Dt:
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04/12/1991
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Title:
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METHOD AND CIRCUIT FOR PROTECTING PLASMA NOZZLE
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Patent #:
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Issue Dt:
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08/18/1992
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Application #:
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07692879
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Filing Dt:
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04/29/1991
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Title:
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STORAGE REEL FOR WELDING WIRE
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Patent #:
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Issue Dt:
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02/25/1992
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Application #:
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07703196
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Filing Dt:
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05/20/1991
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Title:
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LOW HYDROGEN BASIC METAL CORED ELECTRODE
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Patent #:
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Issue Dt:
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07/21/1992
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Application #:
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07705355
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Filing Dt:
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05/24/1991
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Title:
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BASIC METAL CORED ELECTRODE
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Patent #:
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Issue Dt:
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04/05/1994
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Application #:
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07725963
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Filing Dt:
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07/05/1991
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Title:
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SUBMERGED ARC FLUX AND METHOD OF MAKING SAME
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Patent #:
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Issue Dt:
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07/06/1993
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Application #:
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07806777
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Filing Dt:
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12/12/1991
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Title:
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BASIC METAL CORED ELECTRODE
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Patent #:
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Issue Dt:
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08/03/1993
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Application #:
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07902020
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Filing Dt:
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06/22/1992
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Title:
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CORED ELECTRODE WITH FUME REDUCTION
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Patent #:
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Issue Dt:
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11/29/1994
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Application #:
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07969122
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Filing Dt:
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10/30/1992
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Title:
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FLUX CORED ARC WELDING ELECTRODE
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Patent #:
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Issue Dt:
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10/18/1994
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Application #:
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07970387
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Filing Dt:
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11/02/1992
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Title:
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PLASMA TORCH WITH IDENTIFICATION CIRCUIT
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Patent #:
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Issue Dt:
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11/15/1994
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Application #:
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07977086
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Filing Dt:
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11/16/1992
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Title:
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FLUX CORED GAS SHIELDED ELECTRODE
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Patent #:
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Issue Dt:
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09/20/1994
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Application #:
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08000132
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Filing Dt:
|
01/04/1993
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Title:
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INVERTER POWER SUPPLY FOR WELDING
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Patent #:
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|
Issue Dt:
|
09/27/1994
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Application #:
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08014261
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Filing Dt:
|
02/05/1993
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Title:
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INVERTER POWER SUPPLY FOR WELDING
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Patent #:
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Issue Dt:
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01/11/1994
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Application #:
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08023756
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Filing Dt:
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01/19/1993
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Title:
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RETAINER RING FOR WELDING WIRE CONTAINER
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Patent #:
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Issue Dt:
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01/11/1994
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Application #:
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08033333
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Filing Dt:
|
03/18/1993
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Title:
|
SYSTEM AND METHOD FOR CONTROLLING A WELDING PROCESS FOR AN ARC WELDER
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Patent #:
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Issue Dt:
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08/16/1994
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Application #:
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08053090
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Filing Dt:
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04/26/1993
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Title:
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CONTROL CIRCUIT FOR ALTERNATING CURRENT TIG WELDER
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Patent #:
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Issue Dt:
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11/29/1994
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Application #:
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08117539
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Filing Dt:
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09/07/1993
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Title:
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METHOD AND SYSTEM FOR DETERMINING OPERATING CHARACTERISTICS OF ARC WELDING WIRE
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Patent #:
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Issue Dt:
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09/10/1996
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Application #:
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08200388
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Filing Dt:
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02/23/1994
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Title:
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COVERS FOR WELDING WIRE REELS
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Patent #:
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Issue Dt:
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04/18/1995
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Application #:
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08204958
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Filing Dt:
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03/02/1994
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Title:
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VALVE FOR GAS BURNING TORCH
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Patent #:
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Issue Dt:
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04/16/1996
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Application #:
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08287516
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Filing Dt:
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08/08/1994
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Title:
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FUEL GAS AND OXYGEN MIXER FOR CUTTING TORCHES
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Patent #:
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Issue Dt:
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10/15/1996
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Application #:
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08511842
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Filing Dt:
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08/07/1995
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Title:
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SELF-CLEANING FUME EXTRACTION DEVICE
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Patent #:
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Issue Dt:
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10/14/1997
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Application #:
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08514450
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Filing Dt:
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08/11/1995
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Title:
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METHOD OF WELDING THE END OF A FIRST PIPE TO THE END OF A SECOND PIPE
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Patent #:
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Issue Dt:
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09/23/1997
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Application #:
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08522454
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Filing Dt:
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08/31/1995
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Title:
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METHOD AND SYSTEM FOR CONTROLLING THE OUTPUT OF AN ENGINE DRIVEN WELDER
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Patent #:
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Issue Dt:
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08/18/1998
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Application #:
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08550008
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Filing Dt:
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10/30/1995
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Title:
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PLASMA ARC TORCHES AND METHODS OF OPERATING AND TESTING THE SAME
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Patent #:
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Issue Dt:
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12/02/1997
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Application #:
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08619368
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Filing Dt:
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03/21/1996
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Title:
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COVERS FOR WELDING WIRE REELS
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Patent #:
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Issue Dt:
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03/10/1998
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Application #:
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08633126
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Filing Dt:
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04/16/1996
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Title:
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GAS COOLED PLASMA TORCH
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Patent #:
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Issue Dt:
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03/24/1998
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Application #:
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08633127
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Filing Dt:
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04/16/1996
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Title:
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UNDERCARRIAGE FOR WELDER
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Patent #:
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Issue Dt:
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10/06/1998
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Application #:
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08635021
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Filing Dt:
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04/19/1996
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Title:
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WIRE FEEDING APPARATUS
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Patent #:
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Issue Dt:
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11/04/1997
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Application #:
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08664851
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Filing Dt:
|
06/17/1996
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Title:
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WELDING POWER SUPPLY
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Patent #:
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Issue Dt:
|
04/21/1998
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Application #:
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08679899
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Filing Dt:
|
07/15/1996
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Title:
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METHOD OF WELDING WALLPAPER ALLOY AN ARC WELDER MODIFIED TO PRACTICE SAME
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Patent #:
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Issue Dt:
|
06/30/1998
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Application #:
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08722892
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Filing Dt:
|
09/27/1996
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Title:
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COMBINED PREHEAT AND CUTTING OXYGEN VALVE FOR CUTTING TORCHES
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Patent #:
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Issue Dt:
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06/23/1998
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Application #:
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08722893
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Filing Dt:
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09/27/1996
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Title:
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COMBINED CONTROL AND CHECK VALVE FOR GAS TORCHES
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Patent #:
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Issue Dt:
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11/18/1997
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Application #:
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08722906
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Filing Dt:
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09/27/1996
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Title:
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GAS MIXER FOR CUTTING TORCHES
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Patent #:
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Issue Dt:
|
02/03/1998
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Application #:
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08753756
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Filing Dt:
|
11/27/1996
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Title:
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INVERTER OUTPUT CIRCUIT
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Patent #:
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Issue Dt:
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07/07/1998
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Application #:
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08792040
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Filing Dt:
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01/31/1997
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Title:
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ARC WELDER WITH AUTOMATIC SENSING OF REMOTE CURRENT CONTROL DEVICE
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Patent #:
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Issue Dt:
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03/02/1999
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Application #:
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08802935
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Filing Dt:
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02/21/1997
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Title:
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METHOD AND SYSTEM FOR WELDING RAILROAD RAILS
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Patent #:
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Issue Dt:
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11/03/1998
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Application #:
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08815935
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Filing Dt:
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03/13/1997
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Title:
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PLASMA ARC POWER SYSTEM AND METHOD OF OPERATING SAME
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Patent #:
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Issue Dt:
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04/13/1999
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Application #:
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08818744
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Filing Dt:
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03/14/1997
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Title:
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PLASMA ARC TORCH
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Patent #:
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Issue Dt:
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01/05/1999
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Application #:
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08819575
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Filing Dt:
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03/14/1997
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Title:
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DRAG CUP FOR PLASMA ARC TORCH
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Patent #:
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Issue Dt:
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12/08/1998
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Application #:
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08819968
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Filing Dt:
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03/18/1997
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Title:
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ARC TRANSFER CIRCUIT
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Patent #:
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Issue Dt:
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01/26/1999
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Application #:
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08900724
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Filing Dt:
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07/25/1997
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Title:
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D.C.CHOPPER WITH INDUCTANCE CONTROL FOR WELDING
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Patent #:
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Issue Dt:
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12/01/1998
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Application #:
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08901640
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Filing Dt:
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07/28/1997
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Title:
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ARC RETRACT CIRCUIT AND METHOD
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Patent #:
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Issue Dt:
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11/17/1998
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Application #:
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08907973
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Filing Dt:
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08/11/1997
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Title:
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INLET GUIDE MECHANISM FOR WIRE FEEDER
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Patent #:
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Issue Dt:
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11/09/1999
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Application #:
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08936883
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Filing Dt:
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09/25/1997
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Title:
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METHOD OF WELDING THE ENDS OF PIPE TOGETHER USING DUAL WELDING WIRES
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Patent #:
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Issue Dt:
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06/30/1998
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Application #:
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08950408
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Filing Dt:
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10/15/1997
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Title:
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METHOD AND SYSTEM FOR WELDING RAILROAD RAILS
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Patent #:
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Issue Dt:
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10/13/1998
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Application #:
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08958244
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Filing Dt:
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10/27/1997
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Title:
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WIRE TRANSPORT DRUM
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Patent #:
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Issue Dt:
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08/31/1999
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Application #:
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09002625
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Filing Dt:
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01/05/1998
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Title:
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METHOD OF ARC WELDING HEAVY STEEL PLATES
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Patent #:
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Issue Dt:
|
10/05/1999
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Application #:
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09004707
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Filing Dt:
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01/09/1998
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Title:
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SHORT CIRCUIT PIPE WELDING
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Patent #:
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Issue Dt:
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11/23/1999
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Application #:
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09039494
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Filing Dt:
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03/16/1998
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Title:
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ARC WELDING POWER SUPPLY
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Patent #:
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Issue Dt:
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12/14/1999
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Application #:
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09062091
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Filing Dt:
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04/17/1998
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Title:
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ELECTRIC ARC WELDER AND CONTROLLER THEREFOR
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Patent #:
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Issue Dt:
|
03/14/2000
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Application #:
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09070890
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Filing Dt:
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05/01/1998
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Title:
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WELDING STATION
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Patent #:
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Issue Dt:
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01/26/1999
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Application #:
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09106513
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Filing Dt:
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06/29/1998
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Title:
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ARC WELDER WITH AUTOMATIC SENSING OF REMOTE CURRENT CONTROL DEVICE
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Patent #:
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Issue Dt:
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01/18/2000
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Application #:
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09126790
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Filing Dt:
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08/03/1998
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Title:
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ELECTRIC ARC WELDER WITH CONTROLLED ARC
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Patent #:
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Issue Dt:
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10/26/1999
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Application #:
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09132587
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Filing Dt:
|
08/11/1998
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Title:
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METHOD AND SYSTEM FOR DETERMINING THE FEEDABILITY OF WELDING WIRE
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Patent #:
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Issue Dt:
|
08/17/1999
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Application #:
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09134389
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Filing Dt:
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08/14/1998
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Title:
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PLASMA ARC TORCH AND METHODS OF OPERATING THE SAME
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Patent #:
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Issue Dt:
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07/11/2000
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Application #:
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09157671
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Filing Dt:
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09/21/1998
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Title:
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METHOD OF CONTROLLING A WELDING PROCESS AND CONTROLLER THEREFOR
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Patent #:
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Issue Dt:
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05/30/2000
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Application #:
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09167463
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Filing Dt:
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10/07/1998
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Title:
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METHOD AND SYSTEM FOR WELDING RAILROAD RAILS
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Patent #:
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Issue Dt:
|
02/15/2000
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Application #:
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09175022
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Filing Dt:
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10/19/1998
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Title:
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CONTROLLER AND METHOD FOR PULSE WELDING
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Patent #:
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Issue Dt:
|
12/05/2000
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Application #:
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09177585
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Filing Dt:
|
10/23/1998
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Title:
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WIRE ELECTRODE LINER
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Patent #:
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Issue Dt:
|
10/12/1999
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Application #:
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09184246
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Filing Dt:
|
11/02/1998
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Title:
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PLASMA ARC TORCH
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Patent #:
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Issue Dt:
|
02/08/2000
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Application #:
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09186087
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Filing Dt:
|
11/05/1998
|
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Title:
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ELECTRIC ARC WELDER AND PLASMA CUTTER
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Patent #:
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Issue Dt:
|
04/18/2000
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Application #:
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09200594
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Filing Dt:
|
11/27/1998
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Title:
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SHORT CIRCUIT WELDER
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|
|
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Patent #:
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Issue Dt:
|
02/01/2000
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Application #:
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09212830
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Filing Dt:
|
12/16/1998
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Title:
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METHOD AND APPARATUS FOR PACKING WIRE IN A STORAGE DRUM
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|
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Patent #:
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Issue Dt:
|
08/29/2000
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Application #:
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09233235
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Filing Dt:
|
01/19/1999
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Title:
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HIGH CURRENT WELDING POWER SUPPLY
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Patent #:
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Issue Dt:
|
12/12/2000
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Application #:
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09268329
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Filing Dt:
|
03/16/1999
|
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Title:
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METHOD AND APPARATUS FOR ELECTRIC ARC WELDING
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Patent #:
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Issue Dt:
|
04/03/2001
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Application #:
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09336596
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Filing Dt:
|
06/21/1999
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Title:
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NOZZLE FOR SHIELDED ARC WELDING GUN
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Patent #:
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Issue Dt:
|
03/27/2001
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Application #:
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09336804
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Filing Dt:
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06/21/1999
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Title:
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TANDEM ELECTRODE WELDER AND METHOD OF WELDING WITH TWO ELECTRODES
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|
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Patent #:
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Issue Dt:
|
07/25/2000
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Application #:
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09359377
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Filing Dt:
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07/23/1999
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Title:
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METHOD OF PIPE WELDING
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