u.s. patent number 6 965 816
u.s. patent number 6 965 816, us patent 6 139 898, patent number 6 660 297, us patent 6 906 836, u.s. patent number 6 217 242, u.s. patent 11 649 446, u.s. patent no 6 695 222, us patent 6 446 111, us patent 6 630 806, u.s. patent number 11 329 612, us patent number 6630507, us patent 6 306 466, patent no. 6 004 596, us patent 6 943 629, us patent number 3239660, us patent no. 11 173 660, us patent 8 999 263, us patent 9 697 905, united states patent no. 8 864 707, u. s. patent no. 11 906 754, us patent no. 11 886 805, us patent no. 174465, us patent 8 644 029, u.s. patents 8 206 913
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u.s. patent number 6 965 816
us patent 6 139 898
patent number 6 660 297
us patent 6 906 836
u.s. patent number 6 217 242
u.s. patent 11 649 446
u.s. patent no 6 695 222
us patent 6 446 111
us patent 6 630 806
u.s. patent number 11 329 612
us patent number 6630507
us patent 6 306 466
patent no. 6 004 596
us patent 6 943 629
us patent number 3239660
us patent no. 11 173 660
us patent 8 999 263
us patent 9 697 905
united states patent no. 8 864 707
u. s. patent no. 11 906 754
us patent no. 11 886 805
us patent no. 174465
us patent 8 644 029
u.s. patents 8 206 913
u.s. patent number 6 965 816, us patent 6 139 898, patent number 6 660 297, us patent 6 906 836, u.s. patent number 6 217 242, u.s. patent 11 649 446, u.s. patent no 6 695 222, us patent 6 446 111, us patent 6 630 806, u.s. patent number 11 329 612, us patent number 6630507, us patent 6 306 466, patent no. 6 004 596, us patent 6 943 629, us patent number 3239660, us patent no. 11 173 660, us patent 8 999 263, us patent 9 697 905, united states patent no. 8 864 707, u. s. patent no. 11 906 754, us patent no. 11 886 805, us patent no. 174465, us patent 8 644 029, u.s. patents 8 206 913