1 result for “Owens-Corning Fiberglas”
-
Patent · December 30, 1924
Cop of Roving (US Patent 1,520,918, 1924)
…1924, filed February 12, 1923. The patent's description opens (from the scanned text): The present invention relates to cops of roving, and has special reference to cops of roving of asbestos fibre. y An object…