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Eduardo Alvarez
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Houston, TX, US
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last 30 patents
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Patent Grant
Self-lubricating composition containing polybenzimidazole, graphite...
Patent number
5,391,605
Issue date
Feb 21, 1995
Hoechst Celanese Corp.
Todd Andres
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Seal structure for elevated temperature service
Patent number
4,986,511
Issue date
Jan 22, 1991
Dresser Industries, Inc.
Richard E. Irby
E21 - EARTH DRILLING MINING
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Patent Grant
Seal and seal assembly for well tools
Patent number
4,753,444
Issue date
Jun 28, 1988
Otis Engineering Corporation
Alan T. Jackson
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...