Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5357938 | Exhaust emission control in gaseous fuelled engines | John W. Kirkland | 1994-10-25 |
| 4817568 | Dual fuel compression ignition engine | — | 1989-04-04 |
| 4619240 | Fuel oil injection engine | Paul J. O'Sullivan | 1986-10-28 |