Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5797169 | Coupling piece for the detachable connection of containers | Julius Donner, Thomas Niemann | 1998-08-25 |
| 5758391 | Coupling piece for the detachable connection of containers | Julius Donner, Thomas Niemann | 1998-06-02 |