Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8978620 | Seatless wet cylinder liner for internal combustion engine | Aaron S. Quinton, Jerl J. Purcell, Nathaniel P. Hassall, Steven M. Chapman | 2015-03-17 |
| 5735242 | Fuel pressure activated engine compression braking system | John Jerl Purcell, III | 1998-04-07 |