Patent Assignment Details
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Reel/Frame: | 004684/0424 | |
| Pages: | 1 |
| | Recorded: | 03/26/1987 | | |
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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06/19/1990
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Application #:
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07030339
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Filing Dt:
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03/26/1987
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Title:
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UNIDIRECTIONAL FLUID VALVE
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Correspondence name and address
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ROGER R. TAMTE
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OFFICE OF PATENT COUNSEL
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3M
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P. O. BOX 33427
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ST. PAUL, MN 55133
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