Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10837234 | Unidirectionally extendable cutting element steering | Jonathan Marshall, Geoffrey C. Downton, David R. Hall | 2020-11-17 |
| 10683895 | Systems and devices using hard bearings | David R. Hall, Jonathan Marshall, Scott Dahlgren, Daniel Manwill, R. Craig Boswell | 2020-06-16 |