Arthur R. Chandler

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Suffolk, GB

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Patents Grantslast 30 patents

Information Patent Grant
Rotary drive apparatus
- Patent number 4,212,212
- Issue date Jul 15, 1980
- Weatherford/Lamb, Inc.
- Arthur R. Chandler
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus for imparting torsion to a tubular member
- Patent number 4,167,128
- Issue date Sep 11, 1979
- Weatherford/Lamb, Inc.
- Arthur R. Chandler
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS