Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859824 | Electrospark machine system, assembly for use with system, device for mounting electrospark machining electrode, and method of shaping a workpiece | Shiroh Ukaji, Kenji Urata, Toshio Kaneda | 1989-08-22 |