Richard A. Brubaker

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Willow Street, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Layered silicates and water-resistant articles made therefrom
- Patent number 5,049,237
- Issue date Sep 17, 1991
- Armstrong World Industries, Inc.
- Walter J. Bohrn
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Flocced 2:1 layered silicates and water-resistant articles made the...
- Patent number 4,877,484
- Issue date Oct 31, 1989
- Armstrong World Industries, Inc.
- Walter J. Bohrn
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Paper, paper products, films composites and other silicate-polymer,...
- Patent number 4,775,586
- Issue date Oct 4, 1988
- Armstrong World Industries, Inc.
- Walter J. Bohrn
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Binders and fibers combined with flocced mineral materials and wate...
- Patent number 4,762,643
- Issue date Aug 9, 1988
- Armstrong World Industries, Inc.
- Walter J. Bohrn
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES