Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6658359 | Method for determining the viscosity of an operating liquid of an internal combustion engine | Stefan Hubrich | 2003-12-02 |
| 6651485 | Method for determining the viscosity of an operating liquid of an internal combustion engine | Stefan Hubrich | 2003-11-25 |