Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D617172 | Cam for cam lock | — | 2010-06-08 |
| 7028517 | Cylinder lock with programmable keyway | — | 2006-04-18 |
| 6983630 | Programmable cylinder lock system | Charles Eden, Edward F. Humphrey | 2006-01-10 |
| 5771722 | Dual control mode lock system | Edward F. Humphrey | 1998-06-30 |
| 5724840 | Cam lock | — | 1998-03-10 |
| 5718136 | Lost key lock-out cylinder | Raymond Aldieri, Jerome V. Andrews, John Carl Bergstrom | 1998-02-17 |
| 5630332 | Hybrid plug lock | Raymond Aldieri, Edward F. Humphrey | 1997-05-20 |
| 5423198 | Dual control mode lock | Edward F. Humphrey | 1995-06-13 |