Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845824 | Clip-clinching device for a coil-spring unit of a mattress | Hitoshi Sumiya, Motonobu Oyabu, Hideyuki Fukuda | 1989-07-11 |
FI
Fujio Ishikawa
Overall (1989): #113,661 of 140,708Top 85%
1
Patents 1989