Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5660800 | Emissions control system and method | Rodney L. Mieville, Ronald A. Dictor, Eugene H. Hirschberg, Don M. Washecheck, Terrence A. Renner | 1997-08-26 |
| 5609832 | Emissions control system and method | Rodney L. Mieville, Ronald A. Dictor, Eugene H. Hirschberg, Don M. Washecheck, Terrence A. Renner | 1997-03-11 |
| 5303547 | Emissions control system and method | Rodney L. Mieville, Ronald A. Dictor, Eugene H. Hirschberg, Don M. Washecheck, Terrence A. Renner | 1994-04-19 |