Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8104584 | Elevator drive control strategy | Edward Piedra, Daryl J. Marvin | 2012-01-31 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8104584 | Elevator drive control strategy | Edward Piedra, Daryl J. Marvin | 2012-01-31 |