Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9988240 | Elevator with master controller | Frank Dudde, Peter Feldhusen, Michael Palazzola, Jie Xu, Alan M. Parker +2 more | 2018-06-05 |
| 9738491 | Hydraulic-boosted rail brake | Frank Dudde, Peter F. Feldhusen, William K. Delk, Mike Palazzola, Jie Xu +2 more | 2017-08-22 |