HM Manning, TM Graettinger, M Pontoh - US Patent 7,125,781, 2006 - Google Patents
5,236,860 A 8, 1993 Fazan et al. 5,340,763 A 8, 1994 Dennison.................... 438/396
5,401,681 A 3, 1995 Dennison et al. 5,498,562 A 3, 1996 Dennison et al. 5,604,696 A …