Robert C. Butler

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Warrington, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Aerodynamic mineral wool forming bucket
- Patent number 6,776,013
- Issue date Aug 17, 2004
- CertainTeed Corporation
- Robert C. Butler
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
Aerodynamic forming bucket
- Publication number 20040083764
- Publication date May 6, 2004
- Robert C. Butler
- C03 - GLASS MINERAL OR SLAG WOOL