2 results for “Owens-Illinois”
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Patent · July 22, 1947
Compositions for Built-Up Roofing (US Patent 2,424,234, 1947)
…on July 22, 1947, filed August 7, 1943. The patent's description opens (from the scanned text): This invention relates to thermoplastic bituminous compositions of the type adapted to be applied in a heat plasticized condition.
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Patent · August 10, 1943
Roofing (US Patent 2,326,723, 1943)
…filed December 18, 1940. The patent's description opens (from the scanned text): This invention has to do with coating material rather than the base sheet While'the base sheet might be made. of noncombustible material…