Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5909017 | Elevator energy conservation system | Loren B. Ferris | 1999-06-01 |
| 5588506 | Aircraft maintenance elevator system | — | 1996-12-31 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5909017 | Elevator energy conservation system | Loren B. Ferris | 1999-06-01 |
| 5588506 | Aircraft maintenance elevator system | — | 1996-12-31 |