Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D302165 | Machine for cutting workpieces utilizing electric discharge | Kazuo Itoh, Yasuyo Isaji | 1989-07-11 |
MS
Masao Shimomura
Overall (1989): #78,833 of 140,708Top 60%
1
Patents 1989