Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878400 | Bias ratio levelling apparatus of a worm gear type differential | Toshiyuki Nakao | 1989-11-07 |
JK
Junzo Kimura
Overall (1989): #91,690 of 140,708Top 70%
1
Patents 1989