Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11118442 | Boring tool tracking fundamentally based on drill string length, pitch and roll | Guenter W. Brune, John E. Mercer | 2021-09-14 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11118442 | Boring tool tracking fundamentally based on drill string length, pitch and roll | Guenter W. Brune, John E. Mercer | 2021-09-14 |