Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE46832 | Electromagnetic lock having distance-sensing monitoring system | Thomas Roth | 2018-05-08 |
| 9725929 | Locking device with embedded circuit board | Daniel J. Picard, Scott B. Lowder | 2017-08-08 |
| 9151096 | Access control device for a door | Jonathan King, Larry Gene Corwin, Jr., Paul Justus Rodgers | 2015-10-06 |
| 8966259 | Controller-keypad/card reader identification system including card programming and secure communications | Don Bartley, Larry Gene Corwin, Jr. | 2015-02-24 |
| 8922370 | Locking device with embedded circuit board | Daniel J. Picard, Scott B. Lowder | 2014-12-30 |
| 8820803 | Electromagnetic lock having distance-sensing monitoring system | Thomas Roth | 2014-09-02 |
| 8495836 | Door hardware drive mechanism with sensor | Scott B. Lowder, Dale D. Martin, Jon Hulse, Arthur Limoncelli, Wai P. Wong | 2013-07-30 |
| 8325039 | Locking device with embedded circuit board | Daniel J. Picard, Scott B. Lowder | 2012-12-04 |
| 8094017 | Electromagnetic lock monitoring system | Jonathan King | 2012-01-10 |
| 8047582 | Electro-mechanical lock | Paul Justus Rodgers, Larry Gene Corwin, Jr., Shawn Rubendall | 2011-11-01 |
| 7984631 | Modular escutcheon | Christopher Case | 2011-07-26 |
| 7334442 | Privacy keypad | Christopher Case | 2008-02-26 |
| 7091429 | Privacy keypad | Christopher Case | 2006-08-15 |
| 7032418 | Vertical door locking system | Dale D. Martin, Ronald S. Slusarski, Gurdev Bains, John Hayde, Shilin Yang +5 more | 2006-04-25 |
| 6271751 | Magnetic lock and status detection system and method therefor | Senthil Kumar | 2001-08-07 |
| 5668533 | High security balanced-type, magnetically-actuated proximity switch system | John T. Jackson, Jr., Robert C. Cook | 1997-09-16 |