Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8756918 | Dosing module for dosing an urea based reducing agent into a gas exhaust stream | John Campbell, Fritz Papst | 2014-06-24 |
| 8752365 | Method for dosing an urea based reducing agent into a gas exhaust stream | John Campbell, Fritz Papst | 2014-06-17 |