Patent Assignment Details
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| Reel/Frame: | 008391/0882 | |
| Pages: | 3 |
| | Recorded: | 01/16/1997 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
1
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Patent #:
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Issue Dt:
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12/16/1997
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Application #:
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08783343
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Filing Dt:
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01/16/1997
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Title:
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NOVEL PHOTOCHROMIC HETEROCYCLIC FUSED INDENONAPHTHOPYRANS
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Assignee
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| INTELLECTUAL PROPERTY - 39S |
| ONE PPG PLACE |
| PITTSBURGH, PENNSYLVANIA 15272 |
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Correspondence name and address
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PPG INDUSTRIES, INC.
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INTELLECTUAL PROPERTY DEPT. 39S
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IRWIN M. STEIN, ESQ.
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ONE PPG PLACE
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PITTSBURGH, PA 15272
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