Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12297664 | Exit device with remote trim input | Jack R. Lehner, Jr., Michael D. Coleman, Phillip S. Palmer, Matthew Greathouse | 2025-05-13 |
| 12281494 | Bolt indicator | — | 2025-04-22 |
| 11739561 | Electronic door with key-in-lever feature | James W. Brown, Alfred S. Levesque | 2023-08-29 |
| 11572727 | Door closer adjustment mechanism | Brian C. Eickhoff, David V. Toloday, Nagesh Varadaraju, Aditya Heblikar | 2023-02-07 |
| 11473342 | User sensing exit device | Aaron P. McKibben, Yong Kwan Lacy, Jack R. Lehner, Jr., Jarrett Bartlett | 2022-10-18 |
| 11306512 | Exit device with remote trim input | Jack R. Lehner, Jr., Michael D. Coleman, Phillip S. Palmer, Matthew Greathouse | 2022-04-19 |
| 10982479 | Door closer adjustment mechanism | Brian C. Eickhoff, David V. Toloday, Nagesh Varadaraju, Aditya Heblikar | 2021-04-20 |
| 10801235 | Electronic door with key-in-lever feature | James W. Brown, Alfred S. Levesque | 2020-10-13 |
| 10344502 | User sensing exit device | Aaron P. McKibben, Yong Kwan Lacy, Jack R. Lehner, Jr., Jarrett Bartlett | 2019-07-09 |
| 8272241 | Electronic door with key-in-lever feature | James W. Brown, Alfred S. Levesque | 2012-09-25 |
| 7722096 | Latchbolt for a door lock assembly | Paul R. Arlinghaus, Bradley Trent, Rick L. Brennaman, Kenneth P. Cook, Russell Banks +1 more | 2010-05-25 |
| 6328357 | Trim actuator for use with an exit device | Kun Hong Kim | 2001-12-11 |
| 6116661 | Electric dogging mechanism for use with an exit device | Kun Hong Kim | 2000-09-12 |
| 5590917 | High security push-to-exit pedestrian door control | Harold L. Brooks, Thomas R. Clark, Kun Hong Kim | 1997-01-07 |