Elvin G. Boice

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Richmond, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Torqued drill pipe identification
- Patent number 4,317,585
- Issue date Mar 2, 1982
- Reynolds Metals Company
- Elvin G. Boice
- E21 - EARTH DRILLING MINING
Information Patent Grant
Wear resistant drill pipe collar and method of making same
- Patent number 4,060,286
- Issue date Nov 29, 1977
- Reynolds Metals Company
- Elvin G. Boice
- E21 - EARTH DRILLING MINING