GME Systems and cutters are covered by the following patents
USA 4,656,909; 4,807,503; 4,911,045; 5,046,388;  5,058,478; 5,095,794; 
5,125,308; 5,390,590; 5,421,226,5,433,250; 5,568,755; 5,806,397; 5,911,808
6,047,625; USA Des. 304,796; 311,265; 383,643; 392,841; 
EPO 0 353 258 B1, Belgium, France, UK, Germany P368268.0;  
0 366 650 B1Belgium, France, UK, Germany P3780175.9; 
0 417 106 B1 Belgium, UK, Italy, Netherlands, Germany P387996.2;
Australia 619,727; 627,173;  Canada 1,297,762;  2,027,633;