Issued Patents 2016
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9488014 | Box-on-box self-stacking substructure for a drill rig | Joseph Michael Sparkman, Aaron Chang | 2016-11-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9488014 | Box-on-box self-stacking substructure for a drill rig | Joseph Michael Sparkman, Aaron Chang | 2016-11-08 |