Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6622534 | Dead bolt system having multiple security features | Thomas E. Jasper, Joseph G. DeSieno, Albert L. Akers | 2003-09-23 |
| 6546769 | High security lock mechanism | Michael P. Harvey, James L. Taylor, Thomas R. Clark, Gerry Dawson | 2003-04-15 |
| 6502438 | Electronic combination lock having anti-tampering features | Michael P. Harvey | 2003-01-07 |