Patent Assignment Details
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Reel/Frame: | 004110/0559 | |
| Pages: | 2 |
| | Recorded: | 03/31/1983 | | |
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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12/13/1988
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Application #:
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06460461
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Filing Dt:
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01/24/1983
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Title:
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VALVE FOR DRILLING FLUID TELEMETRY SYSTEMS
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Assignee
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1230 AVENUE OF THE AMERICAS |
NEW YORK, NEW YORK |
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Correspondence name and address
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WALTER R. BROOKHART
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BROWNING, BUSHMAN, ZAMECKI & ANDERSON
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STE. 1800, 5718 WESTHEIMER
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HOUSTON, TX 77057
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