Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10032328 | Non-intrusive dial rotation detection of high security locks | Michael R. Clark | 2018-07-24 |
| 9964284 | Light for keypad bezel | Michael R. Clark, Steven L. Worm, Alan Curtis Billings | 2018-05-08 |