Technical data 377
Patent protection in the USA
This product is protected by one or more of the following US patents:
4,920,306 5,301,085 5,463,302 5,521,483 5,532,568 5,589,754 5,612,604
5,654,624 5,799,805 5,940,286 5,942,874 5,952,613 6,094,364 6,147,887
6,175,256 6,184,740 6,195,274 6,229,356 6,252,436 6,265,724 6,305,464
6,313,599 6,316,896 6,335,607 6,370,049 6,396,236 6,448,735 6,498,452
6,552,510 6,597,148 6,600,290 6,741,059 6,774,758 6,844,794 6,856,502
6,859,374 6,922,883 6,940,253 6,934,169 6,956,352 6,958,923 6,967,453
6,972,976 6,977,449 6,984,958 6,985,371 6,992,908 6,999,329 7,023,160
7,034,510 7,036,223 7,045,987 7,057,908 7,059,390 7,067,997 7,082,374
7,084,604 7,098,623 7,102,325 7,109,780 7,164,562 7,176,779 7,190,599
7,215,099 7,221,152 7,227,325 7,245,197 7,250,739 7,262,577 7,271,505
7,274,573 7,279,802 7,280,938 7,330,095 7,349,814 7,352,220 7,365,622
7,372,696 7,388,765 7,408,791 7,417,408 7,446,268 7,456,615 7,508,688
7,515,447 7,560,894 D503,931 D510,319 D510,320 D511,137 D511,150
D512,026 D512,696 D521,466 D541,743S D541,744S D541,745S D548,182S
D548,183S D573,090S
Other patents pending.