Testrac, Inc.

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Lake Charles, LA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for determining borehole or cavity configuration through ine...
- Patent number 4,624,130
- Issue date Nov 25, 1986
- Testrac, Inc.
- Donald Faul
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for determining borehole or cavity configuration through ine...
- Patent number 4,620,439
- Issue date Nov 4, 1986
- Testrac, Inc.
- Donald Faul
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for determining borehole or cavity configuration through ine...
- Patent number 4,523,453
- Issue date Jun 18, 1985
- Testrac, Inc.
- Donald Faul
- E21 - EARTH DRILLING MINING

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