Patent Assignment Details
NOTE:Results display only for issued patents and published applications.
For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 005161/0030 | |
| Pages: | 6 |
| | Recorded: | 08/14/1989 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Total properties:
9
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Patent #:
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Issue Dt:
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Application #:
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05240462
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Filing Dt:
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Title:
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Patent #:
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Issue Dt:
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12/14/1976
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Application #:
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05524919
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Filing Dt:
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11/18/1974
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Title:
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HEAT TREATMENT OF WELDS
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Patent #:
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Issue Dt:
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Application #:
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05571447
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Filing Dt:
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Title:
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Patent #:
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Issue Dt:
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01/06/1981
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Application #:
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05790795
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Filing Dt:
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04/25/1977
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Title:
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SURFACE SMOOTHED TOOL JOINT HARDFACING
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Patent #:
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Issue Dt:
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07/10/1979
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Application #:
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05854963
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Filing Dt:
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11/25/1977
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Title:
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HEAT TREATMENT OF WELDS
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Patent #:
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Issue Dt:
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10/14/1980
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Application #:
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05974168
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Filing Dt:
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12/28/1978
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Title:
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SURFACE SMOOTHED TOOL JOINT HARDFACING WITH GRINDABLE TIE-IN
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Patent #:
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Issue Dt:
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03/27/1984
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Application #:
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06238720
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Filing Dt:
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02/27/1981
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Title:
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TOOL JOINT BENCH MARK
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Patent #:
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Issue Dt:
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03/26/1985
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Application #:
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06538648
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Filing Dt:
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10/03/1983
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Title:
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METHOD OF CONNECTING JOINTS OF DRILL PIPE
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Patent #:
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Issue Dt:
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10/22/1985
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Application #:
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06661533
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Filing Dt:
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10/16/1984
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Title:
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TOOL JOINT WITH INTERNAL/EXTERNAL MAKE-UP SHOULDERS
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Assignee
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| 3900 ESSEX LANE |
| HOUSTON, TEXAS 77027 |
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Correspondence name and address
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CARL A. ROWOLD
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BAKER HUGHES INCORPORATED
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3900 ESSEX LANE
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SUITE 1200 P.O. BOX 4740
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HOUSTON, TX 77210-4740
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