Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671645 | Screw supply device for coupled screw tightening machine | Keishiro Murayama | 1997-09-30 |
| 5664468 | Screw tightening machine | Keijiro Murayama | 1997-09-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671645 | Screw supply device for coupled screw tightening machine | Keishiro Murayama | 1997-09-30 |
| 5664468 | Screw tightening machine | Keijiro Murayama | 1997-09-09 |