Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D458369 | Medical device used for opening a glass probe and preparing a medical injection | Volker Helmholz, Bernd Graf | 2002-06-04 |
| 6039093 | Adapter for extracting a liquid from a container closed with a stopper | Werner Mrotzek, Bernd Graf | 2000-03-21 |
| 5413214 | Suture holder | — | 1995-05-09 |