John S. Tulk

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Peabody, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of treating europium activated strontium tetraborate phosphor
- Patent number 5,378,398
- Issue date Jan 3, 1995
- GTE Products Corporation
- Anthony F. Kasenga
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...