1 result for “Owens-Corning Fiberglas”
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Patent · April 22, 1958
Production of monochromatic and multi-coloured pictures (US Patent 2,831,765, 1958)
…765 on April 22, 1958, filed November 30, 1954. It was assigned to VARIOFIX Ltd Pty. The patent's description opens (from the scanned text): This invention relates to the production of monochromatic and multicoloured pictures.