1 result for “Owens-Corning Fiberglas”
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Patent · February 25, 1947
Tractive Surface Devices (US Patent 2,416,427, 1947)
…No. 2,416,427 on February 25, 1947, filed June 24, 1944. The patent's description opens (from the scanned text): This invention relates to the manufacture of tractive surface devices, such as brakes and clutches.