Dickinson; Robert W.

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San Francisco, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic drilling method with penetration control
- Patent number 5,255,750
- Issue date Oct 26, 1993
- Dickinson, III; Ben W. O.
- Robert D. Wilkes
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mechanically actuated whipstock assembly
- Patent number 4,693,327
- Issue date Sep 15, 1987
- Dickinson; Ben Wade Oaks
- Robert W. Dickinson
- E21 - EARTH DRILLING MINING

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