Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6907830 | Multipoint lock assembly | Terrance Leocyn Guinan | 2005-06-21 |
| 5134943 | Anti-jamming device for security screens | — | 1992-08-04 |
| 4831939 | Security screen | — | 1989-05-23 |
| 4748914 | Security screen | — | 1988-06-07 |