Issued Patents 1982
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4352410 | Operational control of elevator car calls | Joseph Bittar | 1982-10-05 |
| 4352411 | Elevator floor cutoff | Joseph Bittar | 1982-10-05 |
| 4352412 | Elevator express priority service | Joseph Bittar | 1982-10-05 |
| 4349087 | Elevator motor/generator run protocol | Joseph Bittar | 1982-09-14 |