2 results for “Owens-Corning Fiberglas”
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Patent · December 31, 1946
Heat Insulation (US Patent 2,413,331, 1946)
…December 31, 1946, filed April 5, 1941. The patent's description opens (from the scanned text): This invention relates to heat insulation, and more particularly to heat insulating units formed of a plurality of paper sheets.
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Patent · March 18, 1947
Heat Insulation (US Patent 2,417,435, 1947)
…18, 1947, filed January 6, 1944. The patent's description opens (from the scanned text): My invention relates to heat insulations of the multilayer type comprising sheets of poor heat conductivity, in the first place paper.