Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5829554 | Hinged modular elevator control housing | Thomas Harward Benson, David B. DeFrancisco | 1998-11-03 |
| 5780790 | Modular elevator switch control housing | Tom Benson | 1998-07-14 |