Michael R. Wasson

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Air motor operated rotary earth drilling tool
- Patent number 4,880,065
- Issue date Nov 14, 1989
- Gas Research Institute
- William J. McDonald
- E21 - EARTH DRILLING MINING
Information Patent Grant
Guided earth boring tool
- Patent number 4,858,704
- Issue date Aug 22, 1989
- Gas Research Institute
- William J. McDonald
- E21 - EARTH DRILLING MINING
Information Patent Grant
Earth boring apparatus and method with control valve
- Patent number 4,834,193
- Issue date May 30, 1989
- Gas Research Institute
- Curtis E. Leitko
- E21 - EARTH DRILLING MINING
Information Patent Grant
Guided earth boring tool
- Patent number 4,694,913
- Issue date Sep 22, 1987
- Gas Research Institute
- William J. McDonald
- E21 - EARTH DRILLING MINING