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Dickinson; Robert Wayne
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San Francisco, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Hydraulic drilling apparatus and method
Patent number
4,991,667
Issue date
Feb 12, 1991
Dickinson, III; Ben Wade Oakes
Robert D. Wilkes
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hydraulic drilling apparatus and method
Patent number
4,930,586
Issue date
Jun 5, 1990
Dickinson, III; Ben Wade Oakes
Paul S. Turin
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hydraulic drilling apparatus and method
Patent number
4,852,668
Issue date
Aug 1, 1989
Dickinson, III; Ben Wade Oakes
Ben W. O. Dickinson
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hydraulic drilling apparatus and method
Patent number
4,790,394
Issue date
Dec 13, 1988
Dickinson, III; Ben Wade Oakes
Ben W. O. Dickinson
E21 - EARTH DRILLING MINING
Information
Patent Grant
Curvature probe and method
Patent number
4,715,128
Issue date
Dec 29, 1987
Dickinson III; Ben Wade Oakes
Richard E. Cummings
E21 - EARTH DRILLING MINING