Patent Assignment Abstract of Title
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Total Assignments:
1
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Patent #:
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Issue Dt:
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05/22/1990
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Application #:
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07339206
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Filing Dt:
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04/14/1989
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Inventors:
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MARK W. OLSEN, JOHN B. WINEGARDNER
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Title:
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TWO WAY FLOW CONTROL DEVICE
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| ALLEGRETTI & WITCOFF, LTD. |
| TEN SOUTH WACKER DRIVE |
| CHICAGO, IL 60606 |
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