1 result for “Owens-Corning Fiberglas”
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Patent · December 5, 1950
Thermal insulated pipe (US Patent 2,532,587, 1950)
…It was assigned to Alexander H Isenberg. The patent's description opens (from the scanned text): This invention relates to pipe which is both lthermally insulated as well as insulatedor'sealed against water gaining access to…