Richard K. Holtman

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Largo, FL, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for blow line addition of thermosettable binder in fiberb...
- Patent number 4,533,436
- Issue date Aug 6, 1985
- The Celotex Corporation
- William E. Betzner
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Blow line addition of isocyanate binder in fiberboard manufacture
- Patent number 4,407,771
- Issue date Oct 4, 1983
- The Celotex Corporation
- William E. Betzner
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Blow line addition of thermosettable binder in fiberboard manufactu...
- Patent number 4,402,896
- Issue date Sep 6, 1983
- The Celotex Corporation
- William E. Betzner
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...