Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5560833 | Method for treating water with acrolein and a device for the performance thereof | Peter Werle, Martin Trageser | 1996-10-01 |
| 5253961 | Coupling for drilling machine with dust extractor | — | 1993-10-19 |