Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6446430 | System for reducing NOx transient emission | Stanley A. Roth, Joseph C. Dettling | 2002-09-10 |
| 6311484 | System for reducing NOx transient emission | Stanley A. Roth, Joseph C. Dettling | 2001-11-06 |