本公司產品受專利保護,美國專利號碼 7,416,423; 7,415,588; 7,413,402; 7,411,791; 7,408,855; 7,403,378; 7,400,721; 7,399,011; 7,394,533; 7,392,968; 7,388,754; 7,388,752; 7,388,743; 7,382,605; 7,382,314; 7,375,952; 7,374,433; 7,373,493; 7,369,402; 7,369,064; 7,362,568; 7,362,521; 7,362,276; 7,361,034; 7,359,209; 7,359,189; 7,355,372; 7,353,408; 7,352,586; 7,343,645; 7,342,777; 7,342,193; 7,332,990; 7,328,354; 7,327,568; 7,325,241; 7,321,523; 7,319,585; 7,304,257; 7,299,479; 7,294,021; 7,294,011; 7,293,890; 7,293,273; 7,276,660;