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Alan R. Winslow
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Tacoma, WA, US
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last 30 patents
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Patent Grant
Method of supporting fractures in geological formations and hydraul...
Patent number
5,350,528
Issue date
Sep 27, 1994
Weyerhaeuser Company
John A. Westland
E21 - EARTH DRILLING MINING
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Patent Grant
Method of supporting fractures in geologic formations and hydraulic...
Patent number
5,009,797
Issue date
Apr 23, 1991
Weyerhaeuser Company
Glenn S. Penny
E21 - EARTH DRILLING MINING