TY - GEN AU - Byrne, Noel J., ID - 6395 KW - Patents. KW - Intellectual property. KW - NEW VARIETIES OF PLANTS : ACQUISITION, FORMALITIES, CERTIFICATION T1 - Fifty years of botanical plant patents in the US / TI - Fifty years of botanical plant patents in the US / VL - 1981 Vol 3 No 4 pages 116-123 ER -