2 results for “Owens-Corning Fiberglas”
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Patent · June 2, 1931
Process of Coloring Plastic Material (US Patent 1,807,858, 1931)
…It was assigned to Ambler Asbestos Co. The patent's description opens (from the scanned text): This invention relates to a method for coloring articles ofplastic material and more particularly to the coloring of'shingles of…
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Patent · September 20, 1932
Talking Picture Screen (US Patent 1,877,941, 1932)
…1930. It was assigned to Keasbey and Mattison Co. The patent's description opens (from the scanned text): This invention relates to screens for moving pictures, and particularly for the talking type of pictures in which…