Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6609907 | Apparatus and method to control emissions of nitrogen oxide | Ravindra K. Agrawal | 2003-08-26 |
| 6599119 | Apparatus and method to control emissions of nitrogen oxide | Ravindra K. Agrawal | 2003-07-29 |
| 4730911 | Wide angle optical viewer | Paul F. Thompson | 1988-03-15 |