John G. Kampfer

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Detector pulse forming system for nuclear well logging tools
- Patent number 4,543,478
- Issue date Sep 24, 1985
- Halliburton Company
- Allen Nunley
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for stabilizing signals in radioactive well lo...
- Patent number 4,053,767
- Issue date Oct 11, 1977
- Halliburton Company
- John G. Kampfer
- G01 - MEASURING TESTING
Information Patent Grant
Dual function logging tool and method
- Patent number 3,935,556
- Issue date Jan 27, 1976
- Halliburton Company
- John G. Kampfer
- G01 - MEASURING TESTING