Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4801096 | Automatic gunning apparatus with detachably mounted gunning pipe | — | 1989-01-31 |
YK
Yukio Kumagai
Overall (1989): #39,598 of 140,708Top 30%
1
Patents 1989