Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5618505 | Method for converting lean-burn engine exhust gases using a two stage catalyst system | Somasundaram Subramanian, Mohinder S. Chattha | 1997-04-08 |
| 5593933 | Refractory oxides based silver-tungsten lean-NOx catalyst | Mohinder S. Chattha | 1997-01-14 |