Lawrence P. Biefeld

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Toledo, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Organo silicon derivatives coated on glass fibers
- Patent number 3,949,140
- Issue date Apr 6, 1976
- Owens-Corning Fiberglas Corporation
- Lawrence P. Biefeld
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Glass fibers coated with silicon containing aminimide compounds
- Patent number 3,946,131
- Issue date Mar 23, 1976
- Owens-Corning Fiberglas Corporation
- Lawrence P. Biefeld
- C03 - GLASS MINERAL OR SLAG WOOL