Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4304157 | Torque wrench | Keiichi Yamada | 1981-12-08 |
| 4188842 | Manual vise for articles of varying shapes | — | 1980-02-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4304157 | Torque wrench | Keiichi Yamada | 1981-12-08 |
| 4188842 | Manual vise for articles of varying shapes | — | 1980-02-19 |