Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645745 | Circuit and control method for electrically heating a catalyst | Larry R. Hartwick, Anson Lee, Bruce H. Teague | 1997-07-08 |
| 5602332 | Ionization misfire detection apparatus and method for an internal combustion engine | — | 1997-02-11 |