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Hiram H. Fisher Jr.
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Houston, TX, US
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last 30 patents
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Patent Grant
Slack adjustment for slip system in downhole well apparatus
Patent number
4,444,252
Issue date
Apr 24, 1984
Baker International Corporation
Hiram H. Fisher
E21 - EARTH DRILLING MINING
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Patent Grant
Retrievable well apparatus
Patent number
4,289,200
Issue date
Sep 15, 1981
Baker International Corporation
Hiram H. Fisher
E21 - EARTH DRILLING MINING