Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856611 | Propelling transmission system of tractor | Akira Teraoka | 1989-08-15 |
HS
Hajime Shikiya
Overall (1989): #107,687 of 140,708Top 80%
1
Patents 1989