Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9005731 | Composite plate and method of draining a composite plate | Stephan Hötzeldt, Steffen Erfurth, Bernd Ohlendorf | 2015-04-14 |
| 8714483 | Decompression device and decompression system | Stephan Hoetzeldt, Gerhard Penski | 2014-05-06 |