Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5375581 | Internal combustion engine with supercharger of positive displacement design | Hans P. Hofmann | 1994-12-27 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5375581 | Internal combustion engine with supercharger of positive displacement design | Hans P. Hofmann | 1994-12-27 |