Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7389661 | Keyless deadbolt door lock assembly | Robert J. Viviano | 2008-06-24 |
| RE40193 | Keyless deadbolt lock engaging device | — | 2008-04-01 |
| 6601420 | Keyless deadbolt lock engaging device | — | 2003-08-05 |
| 5813261 | Keyless deadbolt lock engaging device | — | 1998-09-29 |