us patent 6 957 117 b2
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us patent 6 957 117 b2
us patent #11 107 588 b2
us patent 11107588 b2
us patent 11 622 972 b2
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us 11 107 588 b2 patent
us patent 6506148 b2
patent number us 11 107 588 b2
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us patents 6 613 141 b2
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patent us 10 786 570 b2
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us patent 6 754 472
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us patent 8 827 324 b2
us patent 8579793 b1
us patent 6 957 117 b2, us patent #11 107 588 b2, us patent 11107588 b2, us patent 11 622 972 b2, us patent 10703789 b2, us patent 11 191 763 b2, us 11 107 588 b2 patent, us patent 6506148 b2, patent number us 11 107 588 b2, us patent 6 446 111, united states patent 11 107 588 b2, us patents 6 613 141 b2, us patent 9 161 908 b2, patent us 10 786 570 b2, us patent us 10786570b2, us patent 6 754 472, us patent 6 139 898, us patent 6 306 466, us patent 8 827 324 b2, us patent 8579793 b1