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• Decade: 1950s ×
• Written by: Roland W. Honnig ×
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1 result for “Owens-Corning Fiberglas”

1. Patent · September 9, 1952

   Method of molding magnesia insulation material (US Patent 2,609,733, 1952)

   …filed October 26, 1945. The patent's description opens (from the scanned text): This invention relates to the manufacture of molded heat insulation blocks, and is particularly directed to improved magnesia insulation blocks and molded articles…