Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4802082 | Supervisory system for elevators | — | 1989-01-31 |
KU
Kenichi Uetani
Overall (1989): #87,553 of 140,708Top 65%
1
Patents 1989