Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854620 | Door set mounting | Gerald F. Dunphy | 1989-08-08 |
| 4724690 | Security bolt | Gerald F. Dunphy | 1988-02-16 |
| 4639022 | Sliding window or door lock | Gerald F. Dunphy | 1987-01-27 |
| 4434634 | Lock | Gerald F. Dunphy | 1984-03-06 |