Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9859886 | Switch device and use of the switch device | Jan Soeren EMMERICH | 2018-01-02 |
| 5220826 | Method and apparatus for measuring materials floating on bodies of water | Helmut Klesper | 1993-06-22 |