Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6901788 | Apparatus and method for determining oil change based upon oil viscosity | Su-Chee Simon Wang, Mark K. Krage, Yingjie Lin | 2005-06-07 |
| 6895807 | Apparatus and method for determining oil change based upon oil viscosity | Su-Chee Simon Wang, Mark K. Krage, Yingjie Lin | 2005-05-24 |