Patent Assignment Details
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Reel/Frame: | 009168/0567 | |
| Pages: | 3 |
| | Recorded: | 04/20/1998 | | |
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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03/03/1998
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Application #:
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08819969
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Filing Dt:
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03/18/1997
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Title:
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NOVEL PHOTOCHROMIC HETEROCYCLIC FUSED INDENONAPHTHOPYRANS
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Assignee
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9251 BELCHER ROAD |
PINELLAS PARK, FLORIDA 33782 |
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Correspondence name and address
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PPG INDUSTRIES, INC.
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INTELLECTUAL PROPERTY LAW DEPT.
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IRWIN M. STEIN
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ONE PPG PLACE
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PITTSBURG, PA 15272
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