B Walter, JM von Seelen Thorsen - US Patent 8,171,084, 2012 - Google Patents
US PATENT DOCUMENTS 5,278,955 A 1/1994 Forte et al. 5.432, 907 A 7/1995 Picazo, Jr.
et al. 5,784,001 A 7, 1998 Deluca et al. 5,802,282 A 9/1998 Hales, II et al. 5,805,804 A 9 …