1 result for “Owens-Corning Fiberglas”
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Patent · December 30, 1941
Pipe Fitting of Felted Asbestos and Cement (US Patent 2,267,817, 1941)
…2,267,817 on December 30, 1941, filed August 30, 1937. The patent's description opens (from the scanned text): The invention relates to pipe fittings of different kinds such as Y's, crosses, bends, etc.…