Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6755171 | Twin rotary valves for a four stroke internal combustion engine | Jan Michael Brawner | 2004-06-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6755171 | Twin rotary valves for a four stroke internal combustion engine | Jan Michael Brawner | 2004-06-29 |