2 results for “Owens-Corning Fiberglas”
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Patent · January 12, 1943
Ceramic Shingle (US Patent 2,307,734, 1943)
…1942. It was assigned to Tilo Roofing Co Inc. The patent's description opens (from the scanned text): This invention relates to the'art of making earthen or cement shingles and the like, and has for…
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Patent · January 12, 1943
Making Asbestos Cement Shingles (US Patent 2,307,733, 1943)
…1941. It was assigned to Tilo Roofing Co Inc. The patent's description opens (from the scanned text): This invention relates to the art of making earthen or cement shingles and the like, and has for…