Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7251985 | Safety module and measuring arrangement with safety module | Peter Renk, Michael Hugel | 2007-08-07 |
| 6081064 | Acoustic transducer system | Helmut Pfeiffer, Karl Flögel | 2000-06-27 |