Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4662889 | Knee joint prosthesis | Ludwig Zichner, Peter Prussner, Horst von Borries | 1987-05-05 |
| 4538306 | Implantable elbow joint | Peter Prussner, Ludwig Zichner | 1985-09-03 |
| 4518357 | Fastening system for mucous membrane-supported denture | Egon Brinkmann, Mandred Putenat | 1985-05-21 |
| 4312079 | Femur head cap for endoprosthesis | Peter Prussner, Ludwig Zichner | 1982-01-26 |