David R. Hamilton

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Ottawa, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Phosphor purification process
- Patent number 4,221,676
- Issue date Sep 9, 1980
- GTE Products Corporation
- Charles B. Bruskotter
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...