Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6378481 | Four-stroke internal combustion engine with a rotary-spool valve | Christoph Conradty | 2002-04-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6378481 | Four-stroke internal combustion engine with a rotary-spool valve | Christoph Conradty | 2002-04-30 |