Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6538227 | Electric discharge machine having a balance device for balancing gravitational force acting on a vertically moveable quill | Akio Hosaka | 2003-03-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6538227 | Electric discharge machine having a balance device for balancing gravitational force acting on a vertically moveable quill | Akio Hosaka | 2003-03-25 |