Larry W. Hilscher

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Aqueous drilling and packer fluids
- Patent number 4,341,645
- Issue date Jul 27, 1982
- NL Industries, Inc.
- Steven R. Blattel
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...