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 | Kurt Engelsdorf, Rolf Gawlik, Karl-Heinz Hagele | 1989-11-07 |
RB
Rainer Burkel
Overall (1989): #68,037 of 140,708Top 50%
1
Patents 1989