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1 result for “Owens-Illinois”

1. Patent · June 11, 1946

   Sound Absorbing Treatment (US Patent 2,401,906, 1946)

   …1946, filed August 27, 1942. It was assigned to Johns Manville. The patent's description opens (from the scanned text): The present invention relates to acoustical constructions, and, more particularly, to improved sound-absorbing units for…