Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832417 | Brake system | Heinz Siegel | 1989-05-23 |
| 4796667 | Brake pressure control valve | Ernst-Dieter Schafer | 1989-01-10 |
GK
Georg Kehl
Overall (1989): #27,309 of 140,708Top 20%
2
Patents 1989