B Konrardy, ST Christensen, G Hayward… - US Patent …, 2019 - Google Patents
4, 565, 997 A 1/1986 Seko et al. 4, 833, 469 A 5/1989 David 5, 214, 582 A 5/1993 Gray 5,
363, 298 A 11/1994 Survanshi et al. 5, 367, 456 A 11/1994 Summerville et al. 5, 368, 484 A …