Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6715225 | Illuminated exit bar | Alfred S. Levesque, Victor Bogdanov, David C. DeBiase, Michael E. Brown | 2004-04-06 |
| 6714118 | Modular electronic door security system | John E. Walsh | 2004-03-30 |
| 6689972 | High security switch | Victor Bogdanov, Alfred S. Levesque | 2004-02-10 |