Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5156625 | Acetabular prosthesis having a metal supporting shell | Rudolf Koch, Willi Frick | 1992-10-20 |
| 5092900 | Femur head prosthesis | Roland Willi, Rudolf Koch | 1992-03-03 |
| 5080675 | Tibial component for a replacement knee prosthesis | Peter Lawes, Alan Ashby, William Angus Wallace, Akiho Hoshino, Maurilio Marcacci | 1992-01-14 |