Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5928289 | Anchoring rod used particularly in prostheses | — | 1999-07-27 |
| 5891148 | Inverse helical reamer | — | 1999-04-06 |
| 5755789 | Articular prosthesis assembled in steps | — | 1998-05-26 |
| 5456717 | Stem for a femoral hip-joint endoprosthesis | K. Zweymuller | 1995-10-10 |
| 5443520 | Cementless fixation element for an artificial hip joint with rotating cover element | K. Zweymuller | 1995-08-22 |
| 5405392 | Articular prosthetic device | — | 1995-04-11 |
| 4908035 | Prosthesis for a hip joint | Martin Imhof, Karl Zweymuller | 1990-03-13 |
| 4813962 | Hip joint prosthesis | Martin Imhof, Karl Zweymuller | 1989-03-21 |