Patent Assignment Details
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For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 011436/0238 | |
| Pages: | 7 |
| | Recorded: | 01/08/2001 | | |
| Conveyance: | MERGER (SEE DOCUMENT FOR DETAILS). |
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Total properties:
3
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Patent #:
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Issue Dt:
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01/16/1990
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Application #:
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06771137
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Filing Dt:
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08/28/1985
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Title:
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TUBULAR COUPING WITH VENTABLE SEAL VENTABLE SEAL
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Patent #:
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Issue Dt:
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06/13/1989
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Application #:
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07218839
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Filing Dt:
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07/14/1988
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Title:
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THREADED CONNECTION FOR PIPES AND METHOD OF FABRICATING SAME
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Patent #:
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Issue Dt:
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03/03/1992
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Application #:
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07516138
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Filing Dt:
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04/27/1990
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Title:
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THREAD FORM
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Assignee
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| SUITE 600 |
| 1450 LAKE ROBBINS DR. |
| THE WOODLANDS, TEXAS 77380 |
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Correspondence name and address
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GRANT PRIDECO, INC.
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DOUGLAS MAY
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1450 LAKE ROBBINS DR.
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SUITE 600
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THE WOODLANDS, TEXAS 77380
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