2 results for “Owens-Corning Fiberglas”
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Patent · November 2, 1948
Interlocking Strip Shingles (US Patent 2,452,708, 1948)
…2,452,708 on November 2, 1948. The patent's description opens (from the scanned text): This invention relates to interlocking stripshingles, and in particular to improvements in strip-shingles of the type known as square…
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Patent · July 6, 1948
Shingle (US Patent 2,444,623, 1948)
…It was assigned to Ruberoid Co. The patent's description opens (from the scanned text): This invention relates to shingles made from sheets of roofing felt impregnated and coated with asphalt or other suitable bituminous substances…