Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5701874 | Balanced valve control member for exhaust gas recycling | Helmut Blank | 1997-12-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5701874 | Balanced valve control member for exhaust gas recycling | Helmut Blank | 1997-12-30 |