Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10544634 | Pipe handling device | Aaron Chang, Brian Cunningham | 2020-01-28 |
| 10472904 | Pipe handling device | Aaron Chang, Brian Cunningham | 2019-11-12 |
| 10214976 | Pipe handling device | Aaron Chang, Brian Cunningham | 2019-02-26 |
| 9488014 | Box-on-box self-stacking substructure for a drill rig | Joseph Michael Sparkman, Aaron Chang | 2016-11-08 |