Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12210130 | Electromagnetic marker devices for buried or hidden use | Stephanie M. Bench, Mark S. Olsson | 2025-01-28 |
| 11686878 | Electromagnetic marker devices for buried or hidden use | Stephanie M. Bench, Mark S. Olsson | 2023-06-27 |
| 11467317 | Electromagnetic marker devices with separate receive and transmit antenna elements | Stephanie M. Bench, Mark S. Olsson | 2022-10-11 |
| 11280934 | Electromagnetic marker devices for buried or hidden use | Stephanie M. Bench, Mark S. Olsson | 2022-03-22 |