Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4796595 | Free-running pressure wave supercharger driven by gas forces | Ibrahim El-Nashar, Francois Jaussi, Hubert Kirchhofer, Andreas Mayer, Josef Perevuznik +1 more | 1989-01-10 |