| Number | Date | Country | Kind |
|---|---|---|---|
| 400 04 260 | Apr 2000 | DE |
| Number | Name | Date | Kind |
|---|---|---|---|
| D. 383542 | Wellershaus et al. | Sep 1997 | |
| D. 402368 | Holzapfel | Dec 1998 | |
| D. 439339 | Sawatzki | Mar 2001 | |
| 4145766 | May | Mar 1979 | |
| 4911709 | Marlow et al. | Mar 1990 | |
| 5545232 | Van de Veen | Aug 1996 | |
| 5728172 | Krieger | Mar 1998 | |
| 5728173 | Chen | Mar 1998 | |
| 5746774 | Kramer et al. | May 1998 | |
| 5899943 | Shiraishi et al. | May 1999 |
| Entry |
|---|
| U.S. Design application No. 29/094,153 filed Sep. 25, 1998 “Knee Joint”. |