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1 result for “Owens-Corning Fiberglas”

1. Patent · June 9, 1925

   Production of Friction Discs, Washers, Clutch Coverings, and the like (US Patent 1,540,983, 1925)

   …9, 1925, filed December 9, 1921. It was assigned to Scandinavia Belting Ltd. The patent's description opens (from the scanned text): This invention relates to improvements in, and in the production of, friction disks, washers…