Patent Assignment Details
NOTE:Results display only for issued patents and published applications.
For pending or abandoned applications please consult USPTO staff.
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Reel/Frame: | 010103/0516 | |
| Pages: | 4 |
| | Recorded: | 07/21/1999 | | |
Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
5
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Patent #:
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Issue Dt:
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12/30/1986
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Application #:
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06743980
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Filing Dt:
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06/12/1985
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Title:
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CERAMIC SPHEROIDS HAVING LOW DENSITY AND HIGH CRUSH RESISTANCE
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Patent #:
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Issue Dt:
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07/31/1990
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Application #:
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06820013
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Filing Dt:
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01/21/1986
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Title:
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PARTICULATE CERAMIC USEFUL AS A PROPPANT
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Patent #:
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Issue Dt:
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02/16/1988
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Application #:
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06874095
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Filing Dt:
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06/13/1986
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Title:
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PROCESS FOR MAKING CERAMIC SPHEROIDS
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Patent #:
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Issue Dt:
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09/26/1989
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Application #:
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07097871
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Filing Dt:
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09/17/1987
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Title:
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NOVOLAC COATED CERAMIC PARTICULATE
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Patent #:
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Issue Dt:
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05/08/1990
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Application #:
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07345692
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Filing Dt:
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05/01/1989
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Title:
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NOVOLAC COATED CERAMIC PARTICULATE
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Assignee
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10845 KINSMAN ROAD |
NEWBURY, OHIO 44065 |
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Correspondence name and address
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WATTS, HOFFMANN, FISHER & HEINKE, ETAL
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JOHN R. HLAVKA
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P.O. BOX 99839
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CLEVELAND, OHIO 44199-0839
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