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1 result for “Owens-Corning Fiberglas”

1. Patent · October 4, 1932

   Wiping Apron for Pipe Wrapping Machines (US Patent 1,880,770, 1932)

   …1930. The patent's description opens (from the scanned text): Our invention relates to wrapping machines and more particularly to improvements in pipe-wrapping machines of the character described in our co-pending application Serial Number…