Patent Assignment Details
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For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 004937/0390 | |
| Pages: | 2 |
| | Recorded: | 08/17/1988 | | |
| 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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06/27/1989
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Application #:
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07172837
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Filing Dt:
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03/25/1988
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Title:
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HETEROGENEOUS MEMBRANES FROM HIGHLY FILLED THERMOPLASTIC ORIENTABLE POLYMERS
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Correspondence name and address
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F. C. HILBERG
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PATENT DIVISION
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LEGAL DEPT.
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E. I DU PONT NEMOURS & CO.
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WILMINGTON, DE 19898
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