Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11495109 | Building lockdown system | Joseph A. Thiel | 2022-11-08 |
| 11041333 | Door security system and method of using same | — | 2021-06-22 |
| 10726697 | Building lockdown system | Joseph A. Thiel | 2020-07-28 |
| 10174532 | Door security system and method of using same | — | 2019-01-08 |