Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5653135 | High security lock mechanism | J. Clayton Miller, Michael P. Harvey, James L. Taylor, Gerry Dawson | 1997-08-05 |
| 5592838 | Anti-attack interlocks for a combination lock mechanism | Gerald L. Dawson, Paul T. Scherer | 1997-01-14 |
| 5590917 | High security push-to-exit pedestrian door control | Harold L. Brooks, Kun Hong Kim, James W. Overbey | 1997-01-07 |