Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10024341 | Hydraulic hybrid swing drive system for excavators | Hao Zhang, Jeff Cullman, Raymond Collett, James Howland, Patrick Stegemann | 2018-07-17 |
| 9988144 | Steering device for an aircraft | Christopher James Perkins, Stuart Alexander | 2018-06-05 |