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• Decade: 1940s ×
• Written by: Arthur A. Heeren ×
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1 result for “Owens-Corning Fiberglas”

1. Patent · January 6, 1942

   Ceiling Construction (US Patent 2,268,822, 1942)

   …15, 1939. It was assigned to United States Gypsum Co. The patent's description opens (from the scanned text): This invention relates to building constructions, and has reference more particularly to ceiling constructions employing cementitious slabs.