Patent Assignment Details
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Reel/Frame: | 005219/0422 | |
| Pages: | 3 |
| | Recorded: | 01/29/1990 | | |
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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04/16/1991
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Application #:
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07423483
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Filing Dt:
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10/11/1989
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Title:
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HYDRAULIC UP-DOWN WELL JAR AND METHOD OF OPERATING SAME
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Assignee
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A CORP. OF DE |
CARROLLTON, 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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06/22/2024 03:49 PM
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