Richard Hughes

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Youngsville, LA, US

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Patents Grantslast 30 patents

Information Patent Grant
Downhole mobility and propulsion apparatus
- Patent number 4,624,306
- Issue date Nov 25, 1986
- Traver Tool Company
- Jack J. Traver
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole mobility and propulsion apparatus
- Patent number 4,509,593
- Issue date Apr 9, 1985
- Traver Tool Company
- Jack L. Traver
- E21 - EARTH DRILLING MINING