Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4775306 | Concrete floor finishing machine | Takayoshi Imai, Shigeru Yamada | 1988-10-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4775306 | Concrete floor finishing machine | Takayoshi Imai, Shigeru Yamada | 1988-10-04 |