Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11156737 | Buried object locator apparatus and methods | Mark S. Olsson, Ray Merewether, Sequoyah Aldridge | 2021-10-26 |
| 10989830 | Utility locator apparatus and systems | Mark S. Olsson, Ray Merewether, Michael J. Martin | 2021-04-27 |
| 10983239 | Multi-frequency locating systems and methods | Mark S. Olsson, David A. Cox, Stephanie M. Bench, Jan Soukup, Timothy M. Turner +1 more | 2021-04-20 |
| 10908311 | Self-standing multi-leg attachment devices for use with utility locators | Mark S. Olsson, James H. Gruenbaum | 2021-02-02 |