Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7934582 | Engine silencing and vibration reduction system and method | Edward J. O'Malley, Glenn Thomas Williamson | 2011-05-03 |
| 7849680 | Diesel particulate filter system for auxiliary power units | Raymond English, Edward Patrick Picton | 2010-12-14 |