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- US 5,689,324
- US 5,989,462
- US 6,086,799
- US 6,105,925
- US 6,171,528
- US 6,174,155
- US 6,201,037
- US 6,206,673
- US 6,228,289
- US 6,241,505
- US 6,280,171
- US 6,284,159
- US 6,328,445
- US 6,331,058
- US 6,367,928
- US 6,416,307
- US 6,419,873
- US 6,451,226
- US 6,579,478
- US 6,612,828
- US 6,632,535
- US 6,673,278
- US 6,698,708
- US 6,729,866
- US 6,730,244
- US 6,752,613
- US 6,758,663
- US 6,786,598
- US 6,926,510
- US 6,939,899
- US 6,962,669
- US 6,964,479
- US 7,004,740
- US 7,011,773
- US 7,037,449
- US 7,044,429
- US 7,045,081
- US 7,051,290
- US 7,052,262
- US 7,060,208
- US 7,074,352
- US 7,079,920
- US D460,468
- US D467,948
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