Dennis B. Voorberg

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Mt. Hope, CA

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Patents Grantslast 30 patents

Information Patent Grant
Efficient production of landplaster by collecting and classifying g...
- Patent number 5,901,912
- Issue date May 11, 1999
- United States Gypsum Co.
- Dennis B. Voorberg
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Efficient production of landplaster by collecting and classsifying...
- Patent number 5,769,332
- Issue date Jun 23, 1998
- CGC Inc.
- Dennis B. Voorberg
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES