Issued Patents 2019
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10519727 | High trip rate drilling rig | Melvin Alan Orr, Joe Rodney Berry, Robert Metz | 2019-12-31 |
MT
Mark W. Trevithick
Overall (2019): #350,830 of 560,194Top 65%
1
Patents 2019