JA Case, KJ Frank, CM Ladtkow - US Patent 9,439,627, 2016 - Google Patents
7,171,255 B2 1/2007 Holupka et al. 5,776,062 A 7/1998 Nields 7,204.254 B2 4/2007 Riaziat
et al. 5,788,636 A 8/1998 Curley 7.215, 990 B2 5/2007 Fesner et al. 5,799,099 A 8/1998 …