Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6280148 | Microdosing device and method for operating same | Roland Zengerle, Michael Freygang, Manfred Stehr, Stephan Messner, Matthias Ashauer | 2001-08-28 |
| 4899130 | Electric desired-valve indicator | — | 1990-02-06 |