Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838119 | Differential gear assembly with viscous and friction clutch mechanisms | Masao Teraoka, Osamu Ishikawa | 1989-06-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838119 | Differential gear assembly with viscous and friction clutch mechanisms | Masao Teraoka, Osamu Ishikawa | 1989-06-13 |