Patent Assignment Details
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| Reel/Frame: | 006238/0219 | |
| Pages: | 3 |
| | Recorded: | 08/24/1992 | | |
| 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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11/17/1992
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Application #:
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07702259
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Filing Dt:
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05/17/1991
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Title:
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ION EXCHANGE MEMBRANE HAVING INCREASED EFFICIENCY IN PROTON EXCHANGE PROCESSES
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Assignee
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| 2030 DOW CENTER, ABBOTT ROAD |
| MIDLAND, MICHIGAN 48640 |
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Correspondence name and address
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RICHARD G. WATERMAN
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THE DOW CHEMICAL CO.
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P.O. BOX 1967
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MIDLAND, MI 48641-1967
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