Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D388302 | Concrete vibrator body | — | 1997-12-30 |
| 5687624 | Continuous screw driving tool | Kazunori Tsuge | 1997-11-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D388302 | Concrete vibrator body | — | 1997-12-30 |
| 5687624 | Continuous screw driving tool | Kazunori Tsuge | 1997-11-18 |