PATENTS
| Country | Patent No |
| Australia | 718260 (597/98) |
| Austria | E 324250 (98902874.1 |
| Europe | 1007339 |
| France | 1007339 (98902874.1) |
| Germany | 698 34.333.6-80 (98902874.1) |
| Italy | 1007339 |
| Country | Patent No |
| Japan | (Application) 10(1998) 537067 |
| Netherlands | 1007339 (98902871.1) |
| Spain | 1007339 (98902871.1) |
| Switzerland | 1007339 (98902871.1) |
| United Kingdom | 1007339 (98902871.1) |
| United States | US 6,250,217 B1 |
