Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10809099 | Tracking positions of personnel, vehicles, and inanimate objects | Rudolf Zeller, Albert W. Chau, John E. Mercer | 2020-10-20 |
| 10746892 | System for determining offset and orientation from a planar loop antenna | John E. Mercer, Albert W. Chau, Rudolf Zeller | 2020-08-18 |
| 10738588 | Boring tool tracking fundamentally based on drill string length, pitch and roll | James W. Burrows, John E. Mercer | 2020-08-11 |
| 10584573 | Advanced steering tool system, method and apparatus | Albert W. Chau, Rudolf Zeller, John E. Mercer | 2020-03-10 |