Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11118447 | Directional drilling communication protocols, apparatus and methods | Albert W. Chau, Scott Phillips | 2021-09-14 |
| 11047896 | Portable device with electromagnetic noise measurement at multiple frequencies | Albert W. Chau | 2021-06-29 |