2 results for “Owens-Corning Fiberglas”
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Patent · April 21, 1942
Stonelike Units (US Patent 2,280,488, 1942)
…1942, filed February 20, 1939. The patent's description opens (from the scanned text): The present invention relates to improved facing units, particularly to stone-like units having a mottled or decorative appearance, and to the…
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Patent · January 8, 1946
Stationary Ventilator (US Patent 2,392,742, 1946)
…742 on January 8, 1946, filed May 25, 1943. It was assigned to Johns Manville. The patent's description opens (from the scanned text): My invention relates to improved stationary ventilators for buildings and like structures.