Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4735293 | Hatchway door for elevator system | Lynn R. Everhart | 1988-04-05 |
| 4530189 | Door entrance | — | 1985-07-23 |
| 4436184 | Elevator system | John G. Dorman, Anthony M. Balbo, Robert A. Sette | 1984-03-13 |
| 4356895 | Elevator system | George A. Kappenhagen, Niles J. Martin, John E. Pace, Robert A. Sette, Leigh F. Jackson +1 more | 1982-11-02 |