1 result for “Union Carbide Corporation”
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Patent · October 30, 1928 · page 2
Ready Roofing (US Patent 1,689,985, 1928)
In the document: …ASSIGNOR. To JoHNS-MAN VILLE, IN.c., or NEW YORK, N. Y., A CORPORATION OF NEW YORK. READY ROOFING. Application filed November 23, 1921. Serial No. 517,258. The invention relates to that type of ready…