Patent Assignment Abstract of Title
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Total Assignments:
2
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Patent #:
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Issue Dt:
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06/13/1989
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Application #:
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07175503
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Filing Dt:
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04/13/1988
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Inventor:
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RICHARD A. HAYES
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Title:
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POLYIMIDE GAS SEPARATION MEMBRANES
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| A CORP. OF DE |
| WILMINGTON, DELAWARE |
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| FRANK C. HILBERG, JR. |
| PATENT DIVISION |
| LEGAL DEPT. |
| E. I. DU PONT DE NEMOURS & CO. |
| WILMINGTON, DE 19898 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 75, QUAI D'ORSAY |
| 75321 PARIS CEDEX 07,, FRANCE |
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| JAMES A. FORSTNER |
| E. I. DU PONT DE NEMOURS COMPANY |
| LEGAL - PATENTS |
| 1007 MARKET STREET |
| WILMINGTON, DE 19898 |
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