Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874063 | Portable elevator traffic pattern monitoring system | — | 1989-10-17 |
| 4854219 | Optical control system | Bruce Hockaday | 1989-08-08 |
KT
Kenneth Taylor
Otis Elevator: 1 patents #5 of 30Top 20%
Overall (1989): #22,252 of 140,708Top 20%
2
Patents 1989