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• Decade: 1930s ×
• Written by: William C. Fisher ×
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1 result for “Owens-Corning Fiberglas”

1. Patent · April 15, 1930

   Friction Element (US Patent 1,754,233, 1930)

   …1927. The patent's description opens (from the scanned text): This invention relates to friction clutches of the type now used in automobiles and other motor driven vehicles and is concerned more particularly with friction elements…