Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8939262 | Elevator over-acceleration and over-speed protection system | Greg A. Schienda, Daryl J. Marvin, Harold Terry, James M. Draper, Anthony Cooney | 2015-01-27 |
| 8827044 | Over-acceleration and over-speed detection and processing system | Daryl J. Marvin, Greg A. Schienda, Harold Terry, James M. Draper, Anthony Cooney | 2014-09-09 |
| 8631909 | Electromagnetic safety trigger | James M. Draper, Greg A. Schienda, Harold Terry, Daryl J. Marvin, Anthony Cooney | 2014-01-21 |