Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6957562 | Passive oxygen sensor diagnostic | Thomas L. Ting | 2005-10-25 |
| 6868666 | Method and apparatus for monitoring catalyst efficiency and outlet oxygen sensor performance | David Frank, Wenbo Wang | 2005-03-22 |