Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10551232 | Flowmeter and method for producing a flowmeter | Markus Eff, Hans-Michael Sonnenberg | 2020-02-04 |
| 7819021 | Fluid meter | Hans-Michael Sonnenberg, Axel Schmidt-Schoenian | 2010-10-26 |