Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883492 | Metal bone implant | Rudolf Koch | 1989-11-28 |
| 4834759 | Endoprosthesis for a hip joint | Lorenzo Spotorno | 1989-05-30 |
| 4800639 | Method of making a metal bone implant | Manfred Semlitsch | 1989-01-31 |
| 4795466 | Artificial crucial ligament for a knee joint | Karl-Gerhart Stuhmer, Rudolf Koch | 1989-01-03 |