Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6240725 | Internal combustion engine exhaust treating apparatus and method | — | 2001-06-05 |
| 5857324 | Internal combustion engine exhaust treating apparatus and method | Michael Puccini, Brenda M. McLay | 1999-01-12 |