Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6485066 | Exit alarm lock deadbolt having guide supports | Daniel N. Nigro, Jr. | 2002-11-26 |
| 6409232 | Exit alarm lock assembly with push pad pivotally interconnected to deadbolt | Daniel N. Nigro, Jr. | 2002-06-25 |
| 6304177 | Switching assembly for an exit alarm lock | Daniel N. Nigro, Jr., William P. Dye | 2001-10-16 |