Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |