Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837416 | Cut wire for electrical discharge machining | Susumu Yamamoto | 1989-06-06 |
YA
Yoshimitsu Aoki
Overall (1989): #41,457 of 140,708Top 30%
1
Patents 1989