Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5108465 | Process and device for obtaining pure oxygen | Gerd Bauer, Matthias Kuntz | 1992-04-28 |
| 4837373 | Test strips | Werner Gunkel | 1989-06-06 |
| 4805675 | Valves for chemical containers | Frank Joseph, Peter Muller, Klaus Kreher | 1989-02-21 |
| 4741457 | Transport container | Frank Joseph | 1988-05-03 |