PD Cook, DPC McGee, CJ Guinosso - US Patent 6,133,438, 2000 - Google Patents
62 Division of application No. 08/888,880, Jul. 7, 1997, Pat. No. 5.856, 466, which is a
division of application No. 08/410,002, Mar. 23, 1995, Pat. No. 5,646,265, which is a …