William R. Kolker

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West Vancouver, CA

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Patents Grantslast 30 patents

Information Patent Grant
Water and fire resistant materials and methods for making the same
- Patent number 5,767,178
- Issue date Jun 16, 1998
- Pyrotite Corporation
- William R. Kolker
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Water and fire resistant materials and methods for making the same
- Patent number 5,434,200
- Issue date Jul 18, 1995
- Pyrotite Corporation
- William R. Kolker
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...