Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7958799 | Brake for gear cone transmission | James A. Cillessen | 2011-06-14 |
| 7412949 | Dual head piston engine | James A. Cillessen | 2008-08-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7958799 | Brake for gear cone transmission | James A. Cillessen | 2011-06-14 |
| 7412949 | Dual head piston engine | James A. Cillessen | 2008-08-19 |