Patent Assignment Details
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| Reel/Frame: | 004557/0911 | |
| Pages: | 1 |
| | Recorded: | 06/11/1986 | | |
| 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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11/10/1987
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Application #:
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06853341
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Filing Dt:
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04/17/1986
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Title:
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POLYIMIDE GAS SEPARATION MEMBRANES
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Assignee
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| A CORP. OF DE. |
| WILMINGTON, DELAWARE |
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Correspondence name and address
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FRANK C. HILBERG, JR.
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LEGAL DEPT.
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E. I. DU PONT DE NEMOURS & CO.
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WILMINGTON, DE 19898
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