Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880957 | Wire-cut electrical discharge machine with electric shock preventer | Toshiyuki Aso | 1989-11-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880957 | Wire-cut electrical discharge machine with electric shock preventer | Toshiyuki Aso | 1989-11-14 |