Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10465423 | Locking mechanism for bored lock | Wai P. Wong, Michael J. Lorello | 2019-11-05 |
| 10174524 | Electronic deadbolt lock | George Frolov, John E. Walsh, Victor Bogdanov, Alfred S. Levesque, Kevin D. Miller +1 more | 2019-01-08 |