3 results for “Owens-Corning Fiberglas”
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Patent · April 18, 1950
Hopper (US Patent 2,504,533, 1950)
…filed January 9, 1947. The patent's description opens (from the scanned text): This invention relates to improvements in hopn Vvpers, such as are used in the Vspraying of fibrous materials onto surfaces for sound 'and…
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Patent · September 6, 1949
Rolling Device (US Patent 2,481,021, 1949)
…021 on September 6, 1949, filed April 10, 1946. The patent's description opens (from the scanned text): My invention relates to a rolling device for leveling and texturing a layer of acoustical or insulating material.
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Patent · May 25, 1948
Spraying Device for Fibrous Material (US Patent 2,442,206, 1948)
…1948, filed June 30, 1945. The patent's description opens (from the scanned text): This invention relates to spraying devices such as are used, for example, in the spraying of asbestos and other fibrous and similar…