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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06/04/1985
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Application #:
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06465375
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Filing Dt:
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02/10/1983
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Inventor:
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CARL J. STEIGERWALD
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Title:
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LIQUID DRAINAGE SYSTEM WITH CUP-SHAPED VALVE
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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POWELL L. SPRUNGER |
STE. 1620, 53 WEST JACKSON BLVD. |
CHICAGO, IL 60604 |
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Assignment:
2
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SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
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AMSTER, ROTHSTEIN & EBENSTEIN |
90 PARK AVE. |
NEW YORK, NY 10016 |
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