Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9688512 | Elevator brake | Justin Billard, Harold Terry, Zbigniew Piech, Daryl J. Marvin | 2017-06-27 |
| 9630805 | Non-linear stiffness roller assembly | Richard N. Fargo, Brad Guilani, James L. Hubbard | 2017-04-25 |