John J. Goiffon

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Grapevine, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Heat sink/retainer clip for a downhole electronics package of a mea...
- Patent number 4,400,858
- Issue date Aug 30, 1983
- Tele-Drill Inc,
- John J. Goiffon
- E21 - EARTH DRILLING MINING