Patent Assignment Details
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For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 023892/0789 | |
| Pages: | 5 |
| | Recorded: | 02/04/2010 | | |
| Conveyance: | SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
3
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Patent #:
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Issue Dt:
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10/29/1991
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Application #:
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07477797
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Filing Dt:
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02/09/1990
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Title:
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PREFABRICATED WALLS
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Patent #:
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Issue Dt:
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08/11/1992
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Application #:
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07642251
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Filing Dt:
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01/16/1991
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Title:
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OVEN WALLS
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Patent #:
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Issue Dt:
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06/27/1995
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Application #:
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08126256
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Filing Dt:
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09/24/1993
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Title:
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REFRACTORY BRICK DESIGN FOR OPEN END OF REFRACTORY LINED VESSEL
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Assignee
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| 249 FIFTH AVENUE, ONE PNC PLAZA |
| PITTSBURGH, PENNSYLVANIA 15222 |
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Correspondence name and address
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PAUL D. BANGOR, JR.
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THORP REED & ARMSTRONG, LLP
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ONE OXFORD CENTRE, 14TH FLOOR
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301 GRANT STREET
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PITTSBURGH, PA 15219
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