KB105: US Pat. D546081, 7552974; Canadian Pat. 2559004; European Pat. 494430-0001

KB108: US Pat. 6269503

KB200: US Pat. 8365328, 827629, D605886, D601843, RE47163; Canadian Pat. 130179; European Pat. 1114367-0001, 1114367-0002; Australian Pat. 325470; China Pat. D136662; Taiwan Pat. D136662

KB310/KB311: US Pat. 8365328, 827629, D605886, D601843; Canadian Pat. 130179; European Pat. 1114367-0001, 1114367-0002; Australian Pat. 325470; China Pat. D136662; Taiwan Pat. D136662

KB424: US Pat. 9877594, D727645; European Pat. 002423012-0001

KB615: US Pat. 10034555