Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878470 | Device for actuating butterfly throttle valve of an internal combustion engine | Rainer Burkel, Rolf Gawlik, Karl-Heinz Hagele | 1989-11-07 |
KE
Kurt Engelsdorf
Overall (1989): #85,653 of 140,708Top 65%
1
Patents 1989