Patent Assignment Details
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Reel/Frame: | 004868/0083 | |
| Pages: | 1 |
| | Recorded: | 04/14/1988 | | |
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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07187328
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Filing Dt:
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04/28/1988
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Title:
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SONIC PIPE LENGTH DETECTOR
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Assignee
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1135 W. RIVER ROAD |
CHAMPLIN, MINNESOTA 55316 |
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Correspondence name and address
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SCHROEDER & SIEGFRIED
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2340 IDS CENTER
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MINNEAPOLIS, MN 55402-2155
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