Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7752875 | Multipoint lock | John Constantinou | 2010-07-13 |
| 6725696 | Disc tumbler lock and key | Brian Blight | 2004-04-27 |
| 4676537 | Sliding door latch strike | — | 1987-06-30 |
| 4606203 | Latch and deadbolt lock set | — | 1986-08-19 |
| 4483162 | Locking mechanism | Gerald F. Dunphy | 1984-11-20 |
| 4387918 | Deadlock mechanism | Gerald F. Dunphy | 1983-06-14 |
| 4248068 | Deadlocking mechanism | Gerald F. Dunphy | 1981-02-03 |