Philip H. Walters

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Austin, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Downhole combination tool
- Patent number 5,230,387
- Issue date Jul 27, 1993
- Magrange, Inc
- Robert L. Waters
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole combination tool
- Patent number 5,064,006
- Issue date Nov 12, 1991
- Magrange, Inc
- Robert L. Waters
- E21 - EARTH DRILLING MINING
Information Patent Grant
System and method for locating an underground probe having orthogon...
- Patent number 4,875,014
- Issue date Oct 17, 1989
- Tensor, Inc.
- George F. Roberts
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of determining the orientation of a surveying instrument in...
- Patent number 4,709,486
- Issue date Dec 1, 1987
- Tensor, Inc.
- Philip H. Walters
- E21 - EARTH DRILLING MINING