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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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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
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Cementitious coating composition
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Patent number 4,444,595
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Issue date Apr 24, 1984
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BPB Industries Limited
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John E. Baines
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Production of building board
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Patent number 4,378,405
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Issue date Mar 29, 1983
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BPB Industries Public Limited Company of Ferguson House
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Thomas A. Pilgrim
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B28 - WORKING CEMENT, CLAY, OR STONE
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Treatment of gypsum plaster
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Patent number 4,224,078
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Issue date Sep 23, 1980
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BPB Industries Limited
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Thomas A. Pilgrim
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Granulating apparatus
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Patent number 4,152,078
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Issue date May 1, 1979
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BPB Industries Limited
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Thomas A. Pilgrim
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES