Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11035221 | Advanced drill string inground isolator housing in an MWD system and associated method | Albert W. Chau | 2021-06-15 |
| 10969399 | Advanced mechanical shock resistance for an accelerometer in an inground device and associated methods | Albert W. Chau, Jason Pothier | 2021-04-06 |