James D. Hall

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Austin, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for counting turns when making threaded joints including...
- Patent number 4,446,745
- Issue date May 8, 1984
- Baker International Corporation
- Lyndon R. Stone
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Apparatus for making threaded joints incorporating a make-up speed...
- Patent number 4,402,052
- Issue date Aug 30, 1983
- Baker International Corporation
- Lyndon R. Stone
- E21 - EARTH DRILLING MINING