Patents

U.S. Patents
6,695,861
7,753,889
7,931,658
7,935,127
8,016,794
8,016,813
8,029,476
8,038,653
8,137,323
8,142,401
8,147,459
8,235,948
8,252,004
8,328,764
8,343,108
8,394,066
8,444,603
8,579,864
8,585,654
8,628,511
8,715,295
8,771,232
8,920,380
8,932,263
8,936,576
8,956,329
8,974,434
8,986,257
9,056,187
9,205,230
9,227,040
9,283,355
9,314,596
9,381,321
9,381,322
9,381,323
9,415,190
9,545,503
9,550,043
9,656,045
9,662,475
9,662,476
 
Additional patents pending
 
 
 
 
European Patents
1539002
2002857
2393543
2755712