Richard A. Heilman

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Wexford, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Photocatalytically-activated self-cleaning appliances
- Patent number 6,054,227
- Issue date Apr 25, 2000
- PPG Industries Ohio, Inc.
- Charles B. Greenberg
- C03 - GLASS MINERAL OR SLAG WOOL