Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811628 | Lockable differential gear | Manfred Lommerzheim | 1989-03-14 |
GW
Gamjad Winkam
Overall (1989): #112,784 of 140,708Top 85%
1
Patents 1989