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• Written by: Oscar A. Bigler ×
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1 result for “Owens-Corning Fiberglas”

1. Patent · July 15, 1924

   Building Material (US Patent 1,501,512, 1924)

   …1924, filed March 29, 1922. The patent's description opens (from the scanned text): My invention relates to building materlal and is especially adapted for strip shingles for roofing purposes or sheathing for sides of buildings.