Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12420848 | Methods and systems for achieving vital ultra-wideband (UWB) based train control | Richard C. Carlson, Kurt A. Gunther | 2025-09-23 |
| 11952028 | Methods and systems for achieving vital ultra-wideband (UWB) based train control | Richard C. Carlson, Kurt A. Gunther | 2024-04-09 |
| 10926783 | Worker protection system | Richard C. Carlson, Kurt A. Gunther, Sara Jo Woitel, Marc W. Cygnus, Peter Strezev | 2021-02-23 |
| 10737709 | Worker protection system | Richard C. Carlson, Kurt A. Gunther, Sara Jo Woitel, Marc W. Cygnus, Peter Strezev | 2020-08-11 |
| 10336353 | Worker protection system | Richard C. Carlson, Kurt A. Gunther, Sara Jo Woitel, Marc W. Cygnus, Peter Strezev | 2019-07-02 |
| 10179595 | Worker protection system | Richard C. Carlson, Kurt A. Gunther, Sara Jo Woitel, Marc W. Cygnus, Peter Strezev | 2019-01-15 |