Patent Assignment Details
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| Reel/Frame: | 005639/0894 | |
| Pages: | 4 |
| | Recorded: | 03/22/1991 | | |
| 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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02/25/1992
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Application #:
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07653547
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Filing Dt:
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02/11/1991
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Title:
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FLUID FLOW CONTROL APPARATUS, SHIFTING TOOL AND METHOD FOR OIL AND GAS WELLS
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Assignee
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| CARROLLTON |
| A CORP. OF DE |
| DALLAS, TEXAS |
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Correspondence name and address
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OTIS ENGINEERING CORPORATION
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P.O. BOX 819052
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DALLAS, TX 75381-9052
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ATTN: THOMAS R. FELGER
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