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Robert W. Hisey
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Richardson, TX, US
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last 30 patents
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Patent Grant
Drill pipe handling and storage apparatus
Patent number
4,455,116
Issue date
Jun 19, 1984
Cooper Industries, Inc.
Ernst L. Lindstedt
E21 - EARTH DRILLING MINING
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Patent Grant
Castering roller for a drill pipe guide bushing
Patent number
4,076,338
Issue date
Feb 28, 1978
Gardner-Denver Company
Robert W. Hisey
E21 - EARTH DRILLING MINING
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Patent Grant
Multi function drill drive system
Patent number
4,049,064
Issue date
Sep 20, 1977
Gardner-Denver Company
Raymond L. Chubb
E21 - EARTH DRILLING MINING