Harry L. Dearing

Follow

Person

Sugarland, TX, US

People

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...