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Thomas C. Whitehouse
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Puyallup, WA, US
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last 30 patents
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Patent Grant
Down reaming apparatus having hydraulically controlled stabilizer
Patent number
5,429,198
Issue date
Jul 4, 1995
The Robbins Company
Llewellan Anderson
E21 - EARTH DRILLING MINING
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Patent Grant
Down reaming apparatus
Patent number
5,325,932
Issue date
Jul 5, 1994
The Robbins Company
Llewellan Anderson
E21 - EARTH DRILLING MINING
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Patent Grant
Down reaming apparatus
Patent number
5,308,150
Issue date
May 3, 1994
The Robbins Company
Thomas C. Whitehouse
E21 - EARTH DRILLING MINING