Standard Oil Co. Patent: US2580288 , 1951 ; C. A., 1952 , p. 7983 Full Text Show Details Standard Oil Co. Patent: US2580288 , 1951 ; C., 1954 , p. 6144 Full Text Show Details Minnesota Mining & Mfg. Co. Patent: US2566363 , 1951 ; C., 1953 , p. 7696 Full Text Show Details Minnesota Mining & Mfg. Co. Patent: US2566956 , 1951 ; C., 1954 , p. 3802 Full Text Show Details Minnesota Mining & Mfg. Co. Patent: US2566957 , 1951 ; C. A., 1952 , p. 3069 Full Text Show Details Minnesota Mining & Mfg. Co. Patent: GB656774 , 1951 ; C., 1953 , p. 1719