Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4422531 | Traction machine for an elevator | Sadayuki Ohtomi, Yasutaka Hirano, Tamaiti Kondou | 1983-12-27 |
IT
Iturou Tangiku
Overall (All Time): #4,062,787 of 4,157,543Top 100%
1
Patents All Time