Jay P. Simpson

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Fast drilling invert emulsion drilling fluids
- Patent number 4,508,628
- Issue date Apr 2, 1985
- O'Brien-Goins-Simpson & Associates
- Thad O. Walker
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...