1 result for “Owens-Corning Fiberglas”
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Patent · September 5, 1939
Plastic Fluid Seal Structure (US Patent 2,172,325, 1939)
…filed March 1, 1937. The patent's description opens (from the scanned text): This invention relates to 'an vimproved plastic fluid seal structure, and has or one of its principal objects the provision 'of a sealing…