BJC Bernard, JC Carrano, AL Altman - US Patent 8,372,590, 2013 - Google Patents
US PATENT DOCUMENTS 4,230,685 A 10/1980 Senyei et al.................. 436,526 5,736,330
A 4, 1998 Fulton............................... 435/6 5,981, 180 A 11/1999 Chandler et al …