Patent Assignment Details
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Reel/Frame: | 005211/0938 | |
| Pages: | 1 |
| | Recorded: | 01/19/1990 | | |
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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08/27/1991
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Application #:
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07423260
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Filing Dt:
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10/18/1989
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Title:
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A FILTRATION DEVICE HAVING HARDENED GUM FORMED-IN-PLACE 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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CRAIG H. EVANS
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E. I. DU PONT DE NEMOURS & CO.
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WILMINGTON, DE 19898
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