Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4918108 | Method of improving the absorption of injected antibacterial substances | Otto Kern, Franz Wilhelm | 1990-04-17 |
| 4705803 | Method of improving resorption of injected antibacterially active substances or combinations | Otto Kern, Franz Wilhelm | 1987-11-10 |