Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12071789 | Universal dogging and electronic latch retraction | Liza Alcala Escobar, Darren C. Eller | 2024-08-27 |
| 12006735 | Universal dogging and electronic latch retraction | Liza Alcala Escobar, Darren C. Eller | 2024-06-11 |
| 11851913 | Hook bolt for door lock | Eric Palmieri, Andrew S. Geraci, Richard D. Sangster, JR., Daniel W. Riley, Ryan Piantek | 2023-12-26 |
| 11851925 | Key override for electromechanical multi-point latching device | Liza Alcala Escobar | 2023-12-26 |
| 11124990 | Electronic deadbolt lock | George Frolov, John E. Walsh, Alfred S. Levesque, Kevin D. Miller, Don Shilonie +1 more | 2021-09-21 |
| 10435917 | Door lock with integrated door position sensor | Paul Nunez, Wai P. Wong | 2019-10-08 |
| 10174524 | Electronic deadbolt lock | George Frolov, John E. Walsh, Alfred S. Levesque, Kevin D. Miller, Don Shilonie +1 more | 2019-01-08 |
| 9803394 | Electronic deadbolt lock | George Frolov, John E. Walsh, Alfred S. Levesque, Kevin D. Miller, Don Shilonie +1 more | 2017-10-31 |
| 8931315 | Electronic deadbolt lock | George Frolov, John E. Walsh, Alfred S. Levesque, Kevin D. Miller, Don Shilonie +1 more | 2015-01-13 |
| 8887542 | Motor drive mechanism for an electronic deadbolt lock | Alfred S. Levesque, John E. Walsh | 2014-11-18 |
| 8881637 | Door lock access control component mounting | Rick Leites, John E. Walsh, Michael J. Lorello, Adam O'Day, Douglas Clark +1 more | 2014-11-11 |
| 8353189 | Manual override mechanism for electromechanical locks | John E. Walsh, George Frolov, Alfred S. Levesque | 2013-01-15 |
| D593399 | Escutcheon | Kelly Douglas | 2009-06-02 |
| D553953 | Deadbolt escutcheon | Rockwood T. Roberts, III, George Frolov | 2007-10-30 |
| D552967 | Lock escutcheon | Rockwood T. Roberts, III, George Frolov | 2007-10-16 |
| D552968 | Deadbolt escutcheon | Rockwood T. Roberts, III, George Frolov | 2007-10-16 |
| D552966 | Lock escutcheon | Rockwood T. Roberts, III, George Frolov | 2007-10-16 |
| D552964 | Keypad for a deadbolt escutcheon | George Frolov | 2007-10-16 |
| 6715225 | Illuminated exit bar | George Frolov, Alfred S. Levesque, David C. DeBiase, Michael E. Brown | 2004-04-06 |
| 6689972 | High security switch | George Frolov, Alfred S. Levesque | 2004-02-10 |
| D479682 | Programmable door lock | George Frolov, Vu Nguyen | 2003-09-16 |