Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838227 | Method of preventing vibration noise in change-speed gearboxes, in particular of motor vehicles | — | 1989-06-13 |
GA
Gerhard Abromeit
Overall (1989): #112,761 of 140,708Top 85%
1
Patents 1989