Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825114 | Assembly of axial fan motor | Seiichi Tsukutani | 1989-04-25 |
SO
Shigeru Ohtsuka
Overall (1989): #57,073 of 140,708Top 45%
1
Patents 1989