333,795
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4,327,444
4,887,064
5,132,660
5,532,670
5,783,989
5,945,936
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4,794,368
5,117,217
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5,656,997
5,907,195
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4,987,402
5,285,186
5,646,591
5,900,806
6,093,979
333,633
344,905
383,689
4,438,426
4,922,224
5,245,694
5,572,185
5,872,519
5,990,786
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Australia:
Canada:
Taiwan:
International Patents:
303,223
340,000
352,685
4,383,242
4,897,630
5,193,141
5,534,845
5,798,71 1
5,952,933
This product is covered
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