Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6773478 | Gravity-induced ash removal system for particulate filters | Thomas M. Yonushonis | 2004-08-10 |
| 5014509 | Diesel engine white smoke control system | Paul R. Miller | 1991-05-14 |