Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5619974 | Method for forming a signal relating to the quantity of exhaust gas recirculated in an internal combustion engine | Frank Rodefeld | 1997-04-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5619974 | Method for forming a signal relating to the quantity of exhaust gas recirculated in an internal combustion engine | Frank Rodefeld | 1997-04-15 |