Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5474348 | Motorized actuator for mortise lockset | Ralph P. Palmer | 1995-12-12 |
| 5421178 | Motorized lock actuator for cylindrical lockset | Charles T. Weindorf, Jr. | 1995-06-06 |
| 4779908 | Latch bolt deadlocking mechanism | William R. Foshee | 1988-10-25 |