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Method of preparing gypsum products
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Patent number 5,575,844
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Issue date Nov 19, 1996
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BPB Industries Public Limited Company
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John J. Bradshaw
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B28 - WORKING CEMENT, CLAY, OR STONE
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Mixer
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Patent number 5,484,200
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Issue date Jan 16, 1996
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BPB Industries Public Limited Company
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John J. Bradshaw
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B28 - WORKING CEMENT, CLAY, OR STONE
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Wall or lining structure
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Patent number 5,092,100
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Issue date Mar 3, 1992
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BPB Industries Public Limited Company
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James H. Lambert
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E04 - BUILDING
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Method and apparatus for calcination
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Patent number 4,919,613
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Issue date Apr 24, 1990
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BPB Industries Public Limited Company
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David W. Watkins
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Floor system
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Patent number 4,879,856
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Issue date Nov 14, 1989
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BPB Industries Public Limited Company
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Philip E. Jones
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E04 - BUILDING
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Building components
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Patent number 4,630,419
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Issue date Dec 23, 1986
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BPB Industries Public Limited Company
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Thomas A. Pilgrim
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B28 - WORKING CEMENT, CLAY, OR STONE
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Calcination method and apparatus
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Patent number 4,629,419
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Issue date Dec 16, 1986
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BPB Industries Public Limited Company
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Arthur G. T. Ward
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Cementitious board manufacture
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Patent number 4,477,300
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Issue date Oct 16, 1984
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BPB Industries Public Limited Company
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Thomas A. Pilgrim
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B28 - WORKING CEMENT, CLAY, OR STONE