Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854006 | Floor nozzle for vacuum cleaner | Hiroshi Nishimura | 1989-08-08 |
YH
Yasutaka Hirayama
Overall (1989): #42,201 of 140,708Top 30%
1
Patents 1989