Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6921369 | Mobile ergospirometry system | Matthias Gehrke, Ralf Henker, Claus-Peter Kretschmer | 2005-07-26 |
| D465848 | Ergospirometer | Matthias Gehrke, Ralf Henker, Claus-Peter Kretschmer | 2002-11-19 |