William E. Betzner

Person

St. Petersburg, FL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Process for making expansion joint material
- Patent number 6,068,804
- Issue date May 30, 2000
- Celotex Corporation
- William E. Betzner
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for producing an embossed gypsum panel
- Patent number 4,842,786
- Issue date Jun 27, 1989
- The Celotex Corporation
- William E. Betzner
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Apparatus for making an embossed gypsum panel
- Patent number 4,781,558
- Issue date Nov 1, 1988
- The Celotex Corporation
- William E. Betzner
- B28 - WORKING CEMENT, CLAY, OR STONE
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...

William E. Betzner

Person

Patents Grantslast 30 patents

Process for making expansion joint material

Method for producing an embossed gypsum panel

Apparatus for making an embossed gypsum panel

Apparatus for blow line addition of thermosettable binder in fiberb...

Blow line addition of isocyanate binder in fiberboard manufacture

Blow line addition of thermosettable binder in fiberboard manufactu...