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• Decade: 1930s ×
• Written by: John H. Reese ×
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1 result for “Owens-Corning Fiberglas”

1. Patent · June 20, 1933

   Heat Insulating Covering (US Patent 1,914,648, 1933)

   …filed December 17, 1928. The patent's description opens (from the scanned text): This invention relates to improvements in non-conducting coverings or casings for pipe systems, and one of the primary objects is to make…