Patent Assignment Details
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| Reel/Frame: | 004965/0223 | |
| Pages: | 1 |
| | Recorded: | 10/19/1988 | | |
| 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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07/11/1989
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Application #:
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07228385
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Filing Dt:
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08/04/1988
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Title:
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DRAIN THROUGH BALL VALVE
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Assignee
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| 8000 MARYLAND AVE. |
| A CORP. OF DE |
| CLAYTON, MISSOURI 63105 |
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Correspondence name and address
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MARSHALL, O'TOOLE, GERSTEIN,
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MURRAY & BICKNELL
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TWO FIRST NATIONAL PLAZA., STE 2100
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20 SOUTH CLARK STREET
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CHICAGO, IL 60603
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