Donald R. Castle

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Manchester, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Two-component phosphor in a cool white lamp
- Patent number 4,258,285
- Issue date Mar 24, 1981
- GTE Products Corporation
- Charles F. Chenot
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...