Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4436184 | Elevator system | John G. Dorman, Anthony M. Balbo, Charles E. Randall | 1984-03-13 |
| 4356895 | Elevator system | George A. Kappenhagen, Niles J. Martin, John E. Pace, Charles E. Randall, Leigh F. Jackson +1 more | 1982-11-02 |