Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819918 | Apparatus for the protection of a liquid against the effects of oxygen from the surroundings | Franz Dellen | 1989-04-11 |
| 4673022 | Arrangement for the changing of implements in foundry machines | — | 1987-06-16 |
| 4592397 | Arrangement for the automatic filling of a container | — | 1986-06-03 |