Patent Assignment Details
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Reel/Frame: | 005247/0833 | |
| Pages: | 2 |
| | Recorded: | 02/20/1990 | | |
Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Total properties:
1
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Patent #:
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Issue Dt:
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10/13/1992
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Application #:
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07481871
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Filing Dt:
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02/20/1990
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Title:
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PHOTOCHROMIC DINITRATED SPIROPYRANS
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Assignee
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1006, OHAZA KADOMA, KADOAM-SHI |
OSAKA 571, JAPAN |
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Correspondence name and address
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RATNA & PRESTIA
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500 N. GULPH ROAD
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P.O. BOX 980
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VALLEY FORGE, PA 19482
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