Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11149539 | Drill planning tool for topography characterization, system and associated methods | Rudolf Zeller, Timothy C. Shaw, Craig Caswell | 2021-10-19 |
| 11008856 | Advanced passive interference management in directional drilling system, apparatus and methods | Rudolf Zeller, Gary Garrabrant, Scott Phillips | 2021-05-18 |