John P. H. Williamson

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Farndon, GB

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Patents Grantslast 30 patents

Information Patent Grant
Compositions and methods for polishing metal surfaces
- Patent number 4,491,478
- Issue date Jan 1, 1985
- United States Borax & Chemical Corporation
- John P. H. Williamson
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...