Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11118408 | Downhole steering system and methods | Jonathan Marshall, Edward George Parkin, Geoffrey C. Downton, David C. Hoyle, Nalin Weerasinghe | 2021-09-14 |
DC
Dennis Patrick Chestnutt
Overall (All Time): #2,749,186 of 4,157,543Top 70%
1
Patents All Time