2 results for “Union Carbide Corporation”
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Patent · May 5, 1931 · page 6
Friction Material (US Patent 1,803,448, 1931)
In the document: …R. WILD, OF CHICAGO, ILLINOIS, ASSIGNOR TO UNION ASBESTOs & RUB BER COMPANY, OF CHICAGO, ILLINOIS, A CORPORATION OF ILLINOIs FRICTION MATERLAL Application filed November 29, 1929. Serial No. 410,625. The present invention relates to friction…
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Patent · February 21, 1933
Frictional Material (US Patent 1,898,025, 1933)
…1930. It was assigned to Union Asbestos and Rubber Co. The patent's description opens (from the scanned text): The present invention relates to friction materials, and is particularly concerned with materials adapted to be used…