Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856611 | Propelling transmission system of tractor | Hajime Shikiya | 1989-08-15 |
AT
Akira Teraoka
Overall (1989): #134,320 of 140,708Top 100%
1
Patents 1989