| 11719846 |
Buried utility locating systems with wireless data communication including determination of cross coupling to adjacent utilities |
Mark S. Olsson, David A. Cox, Michael J. Martin, Ray Merewether |
2023-08-08 |
| 11175427 |
Buried utility locating systems with optimized wireless data communication |
Mark S. Olsson, David A. Cox, Michael J. Martin, Ray Merewether |
2021-11-16 |
| 10788901 |
User interface devices, apparatus, and methods |
Mark S. Olsson, Michael J. Martin, Ray Merewether, Loni M. Heyenbruch, Austin Rutledge +2 more |
2020-09-29 |
| 10677820 |
Buried locators systems and methods |
Mark S. Olsson, Ray Merewether, Paul G. Stuart, Michael J. Martin, Christoph Maier |
2020-06-09 |
| 10528074 |
Magnetic manual user interface devices |
Mark S. Olsson, Ray Merewether, Loni M. Heyenbruch, Alexander L. Warren, Michael J. Martin +1 more |
2020-01-07 |
| 9870021 |
Magnetic manual user interface devices |
Mark S. Olsson, Ray Merewether, Loni M. Canepa, Alexander L. Warren, Michael J. Martin +1 more |
2018-01-16 |
| 9746573 |
Portable buried utility locating systems with current signal data communication |
Mark S. Olsson, David A. Cox, Michael J. Martin, Ray Merewether |
2017-08-29 |
| 8264226 |
System and method for locating buried pipes and cables with a man portable locator and a transmitter in a mesh network |
Mark S. Olsson, David A. Cox, Michael J. Martin, Ray Merewether |
2012-09-11 |
| 7990151 |
Tri-pod buried locator system |
Mark S. Olsson, Ray Merewether, Paul G. Stuart, Michael J. Martin, Christoph Maier |
2011-08-02 |