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Randall C. Stauffer
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Midland, MI, US
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last 30 patents
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Patent Grant
Method of servicing wellbores
Patent number
4,490,262
Issue date
Dec 25, 1984
The Dow Chemical Company
Randall C. Stauffer
E21 - EARTH DRILLING MINING
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Patent Grant
Method of servicing wellbores
Patent number
4,304,677
Issue date
Dec 8, 1981
The Dow Chemical Company
Randall C. Stauffer
E21 - EARTH DRILLING MINING