Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4759766 | Intervertebral disc endoprosthesis | Karin Buettner-Janz, Bernd Derr, Klaus-Peter Erkel, Hans-Joachim Helisch, Roland Schumann | 1988-07-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4759766 | Intervertebral disc endoprosthesis | Karin Buettner-Janz, Bernd Derr, Klaus-Peter Erkel, Hans-Joachim Helisch, Roland Schumann | 1988-07-26 |