Larry N. Bell

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Anchorage, AK, US

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Patents Grantslast 30 patents

Information Patent Grant
Development well drilling
- Patent number 4,773,488
- Issue date Sep 27, 1988
- Atlantic Richfield Company
- Larry N. Bell
- E21 - EARTH DRILLING MINING
Information Patent Grant
Well completion in permafrost
- Patent number 3,971,441
- Issue date Jul 27, 1976
- Atlantic Richfield Company
- Charles R. Knowles
- E21 - EARTH DRILLING MINING