3 results for “Owens-Corning Fiberglas”
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Patent · March 20, 1928
Insulating Board (US Patent 1,663,503, 1928)
…503 on March 20, 1928, filed June 19, 1925. The patent's description opens (from the scanned text): My invention consists of a process of making structural insulating board of lignocellulose fiber exploded from high pressure.
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Patent · March 20, 1928
Insulating Board (US Patent 1,663,504, 1928)
…H. Mason received US Patent No. 1,663,504 on March 20, 1928, filed September 18, 1925. The patent's description opens (from the scanned text): My invention relates to a press dried structural insulating board.
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Patent · March 20, 1928
Insulating Board (US Patent 1,663,506, 1928)
…663,506 on March 20, 1928, filed March 1, 1926. The patent's description opens (from the scanned text): My invention relates to an integral insulating board with hard welded surfaces, and process of making same.