Patent Assignment Details
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Reel/Frame: | 009689/0601 | |
| Pages: | 4 |
| | Recorded: | 01/12/1999 | | |
Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (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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05/09/1989
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Application #:
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07239942
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Filing Dt:
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09/02/1988
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Title:
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TOP ENTRY EXPANSIBLE TUBE VALVE
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Patent #:
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Issue Dt:
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11/09/1993
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Application #:
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07916960
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Filing Dt:
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07/20/1992
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Title:
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VALVE SEAT FOR HIGH TEMPERATURE VALVE
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Patent #:
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Issue Dt:
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12/07/1993
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Application #:
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07958689
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Filing Dt:
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10/09/1992
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Title:
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VALVE WITH DUAL DUROMETER BALL SEAL
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Assignee
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2001 ROSS AVENUE |
DALLAS, TEXAS 75201 |
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Correspondence name and address
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DRESSER INDUSTRIES, INC.
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WILLIAM R. PEOPLES
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2001 ROSS AVENUE
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DALLAS, TX 75201
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