Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4798929 | Wire electric discharge machining apparatus | — | 1989-01-17 |
TI
Tetsuroh Itoh
Overall (1989): #51,708 of 140,708Top 40%
1
Patents 1989