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 | Fujio Ishikawa, Hitoshi Sumiya, Motonobu Oyabu | 1989-07-11 |
HF
Hideyuki Fukuda
Overall (1989): #105,657 of 140,708Top 80%
1
Patents 1989