Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6191377 | Electromagnetic switching device with arcing chambers | Norbert Roesner, Jakob Bolz | 2001-02-20 |
| 5620292 | Apparatus for unloading large fish from a boat hold | Horst Steckel | 1997-04-15 |
| 4758351 | Method for selective removal of heavy metals from liquids | — | 1988-07-19 |
| 4307547 | Suspended shelving storehouse | — | 1981-12-29 |