AF Glew, DA Gerrity, CT Tegreene - US Patent 9,170,843, 2015 - Google Patents
4,525,599 A 6, 1985 Curranet al. 5.437, 032 A* 7/1995 Wolfetal.................... T18, 103
5,623,637 A 4/1997 Jones et al. 6,006,328 A 12, 1999 Drake 6,057,598 A 5/2000 Payne et …