Issued Patents 2022
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11467317 | Electromagnetic marker devices with separate receive and transmit antenna elements | Mark S. Olsson, Matthew D. Bockman | 2022-10-11 |
| 11333786 | Buried utility marker devices, systems, and methods | Mark S. Olsson | 2022-05-17 |
| 11280934 | Electromagnetic marker devices for buried or hidden use | Mark S. Olsson, Matthew D. Bockman | 2022-03-22 |
| 11243278 | Auto-tuning circuit apparatus and methods | Mark S. Olsson, Jan Soukup | 2022-02-08 |