Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4805871 | Electromagnetic valve | — | 1989-02-21 |
MN
Mamoru Nakamura
Overall (1989): #79,752 of 140,708Top 60%
1
Patents 1989