Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5922024 | Soft tissue implant | Ernst Janzen, Matthias Johannes Hoekstra, Richard P. Dutrieux | 1999-07-13 |
| 5676698 | Soft tissue implant | Ernst Janzen, Matthias Johannes Hoekstra, Richard P. Dutrieux | 1997-10-14 |