Mark S. Jaynes

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for servicing tubular strings in subterranean wells
- Patent number 4,715,442
- Issue date Dec 29, 1987
- PA Incorporated
- John E. Kahil
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for measuring defects in ferromagnetic elements
- Patent number 4,710,712
- Issue date Dec 1, 1987
- PA Incorporated
- James E. Bradfield
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for measuring defects in ferromagnetic tubing
- Patent number 4,492,115
- Issue date Jan 8, 1985
- PA Incorporated
- John E. Kahil
- E21 - EARTH DRILLING MINING