John S. Tulk

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Towanda, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Aqueous phosphor coating suspension for lamps
- Patent number 5,858,277
- Issue date Jan 12, 1999
- Osram Sylvania Inc.
- Chung-Nin Chau
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...