Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6634869 | Piston pump with piston spring-biased to filter piston | — | 2003-10-21 |
| 6615930 | Suction module | Hans-Werner Bongers-Ambrosius, Franz Popp, David Hruza, Ralph Neuhauser | 2003-09-09 |