Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5699585 | Electric vacuum cleaner | Yutaka Tomooka | 1997-12-23 |
YO
Yasuhiro Oka
Overall (1997): #57,361 of 185,788Top 35%
1
Patents 1997