TY - GEN AU - Falk, James W., ID - 4303 KW - Patents. KW - Trademarks. KW - PATENTS : ACQUISITION : PATENT CLAIMS AND CATEGORIES OF CLAIMS T1 - The uses of apparatus and operational method claims by patentees / TI - The uses of apparatus and operational method claims by patentees / VL - 1972 Vol 54 No 11 pages 723-736 ER -