Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8178027 | Method of installation of a request-to-exit (REX) switch | — | 2012-05-15 |
| 8058575 | Request-to-exit (REX) switch | — | 2011-11-15 |
| 7007527 | Electrified cylindrical lock | — | 2006-03-07 |
| 7003993 | Electrified cylindrical lock | — | 2006-02-28 |
| 6856221 | Reversible solenoid | — | 2005-02-15 |
| 6784784 | Request to exit switch for door alarm system | — | 2004-08-31 |
| 6732557 | Electrified mortise lock having a solenoid cradle | — | 2004-05-11 |
| 6724285 | Monitor hinge | — | 2004-04-20 |
| 6394508 | Electrified emergency exit device having an accessible hold off lock | — | 2002-05-28 |
| 6189939 | Electrified emergency exit device having an accessible hold off lock | — | 2001-02-20 |
| 6113405 | Power door loop | — | 2000-09-05 |
| 5791834 | Fixture for drilling a longitudinal hole in a door | — | 1998-08-11 |
| 5727960 | Hinge for passing power | — | 1998-03-17 |
| 5717380 | Monitor hinge | — | 1998-02-10 |
| 5651143 | Arm sling | — | 1997-07-29 |
| 5586895 | Power transfer hinge | — | 1996-12-24 |