1 result for “Owens-Illinois”
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Patent · June 21, 1966
Method of manufacturing calcium silicate insulating materials (US Patent 3,257,220, 1966)
…No. 3,257,220 on June 21, 1966, filed November 4, 1963. It was assigned to Owens Corning Fiberglas Corp. The patent's description opens: The present invention relates generally to hydrous calcium silicate insulating materials.