H. N. Brinkley

Follow

Person

Houston, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Oil based synthetic hydrocarbon drilling fluid
- Patent number 5,189,012
- Issue date Feb 23, 1993
- M-I Drilling Fluids Company
- Arvind D. Patel
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...