Gerard F. Johnson

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Wilmington, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Alumina coated silicon carbide abrasive
- Patent number 4,249,913
- Issue date Feb 10, 1981
- United Technologies Corporation
- Gerard F. Johnson
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...