Issued Patents 2023
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11834866 | Flexible coupling for electronic deadbolt systems | Douglas John Criddle | 2023-12-05 |
| 11781355 | Roller assembly with side-accessed adjustment mechanism | — | 2023-10-10 |
| 11661771 | Electronic drive for door locks | Douglas John Criddle | 2023-05-30 |
| 11634931 | Modular electronic deadbolt systems | Gary E. Tagtow, Michael Lee Anderson, Bruce Hagemeyer, Douglas John Criddle | 2023-04-25 |