Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6026665 | Door lock combination chambers | — | 2000-02-22 |
| 6000254 | Door lock combination chambers | — | 1999-12-14 |
| 5161397 | Knob cylinder lock | — | 1992-11-10 |
| 5149155 | Lever handle lock assembly | Ben J. Caeti, Boris Grinshpon | 1992-09-22 |