Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4678062 | Elevator car | — | 1987-07-07 |
| 4499973 | Transportation system | John J. De Lorenzi | 1985-02-19 |
| 4491199 | Elevator system | Henry J. Shea | 1985-01-01 |
| 4276500 | Braking system | Henry J. Shea | 1981-06-30 |