Patent Assignment Details
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| Reel/Frame: | 004798/0723 | |
| Pages: | 1 |
| | Recorded: | 12/04/1987 | | |
| 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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04/25/1989
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Application #:
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07128793
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Filing Dt:
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12/04/1987
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Title:
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POROUS FILM
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Correspondence name and address
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EDWARD T. OKUBO
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OFC. OF PATENT COUNSEL/3M
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P. O. BOX 33427
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ST. PAUL, MN 55133
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