Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4944761 | Blade-like stem for a femoral head prosthesis | Rudolf Koch | 1990-07-31 |
| 4822367 | Endoprosthesis for a hip joint socket | — | 1989-04-18 |
| 4795466 | Artificial crucial ligament for a knee joint | Otto Frey, Rudolf Koch | 1989-01-03 |