Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6669914 | Internal combustion engine having a catalytic reactor | Peter B. Roberts | 2003-12-30 |
| 6098396 | Internal combustion engine having a catalytic reactor | Peter B. Roberts | 2000-08-08 |