Petro-Data C.A.

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Dallas, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Wireline latching apparatus and method of use
- Patent number 4,116,274
- Issue date Sep 26, 1978
- Petro-Data C.A.
- E. Edward Rankin
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus for testing earth formations
- Patent number 4,108,243
- Issue date Aug 22, 1978
- Gearhart-Owen Industries, Inc.
- David W. King
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus and methods for testing earth formations
- Patent number 4,094,359
- Issue date Jun 13, 1978
- Gearhart-Owen Industries, Inc.
- David W. King
- E21 - EARTH DRILLING MINING
Information Patent Grant
Wireline sealing apparatus and method for use with a drill string
- Patent number 4,090,573
- Issue date May 23, 1978
- Petro-Data C.A.
- E. Edward Rankin
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus and methods for testing earth formations
- Patent number 4,083,401
- Issue date Apr 11, 1978
- Gearhart-Owen Industries, Inc.
- Emmitt Edward Rankin
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

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