Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5570912 | Latch with adjustable backset | — | 1996-11-05 |
| 4656849 | Deadbolt assembly having selectable backset distance | Anthony J. Rotondi, George F. Carabet | 1987-04-14 |
| 4593542 | Deadbolt assembly having selectable backset distance | Anthony J. Rotondi, George F. Carabet | 1986-06-10 |
| 4564229 | Latch assembly having selectable backset distance | Anthony J. Rotondi | 1986-01-14 |
| 4489576 | Deadbolt assembly | Ray N. Dushane | 1984-12-25 |
| 4446707 | Deadbolt | Ray N. Dushane | 1984-05-08 |
| 4397168 | Door reinforcement and lock guard plate | Anthony J. Rotondi | 1983-08-09 |
| 4345449 | High security cylindrical bored lock | — | 1982-08-24 |
| 4300374 | Key retaining cylinder for a lock | William R. Hunter | 1981-11-17 |