Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6715499 | Water lance blower with monitoring device for quality of a water jet and method of operating the same | Franz Bartels, Manfred Frach | 2004-04-06 |
| 6691646 | Compact water lance blower | Franz Bartels, Alois Kessel, Jürgen Schröder, Stephan Simon, Dieter Patzig | 2004-02-17 |