Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5517185 | Building communication and control system | Dragica Acimovic, Keith Campden, George A. Drohomirecki, Calum A. Hester, Dennis Keith Ho +1 more | 1996-05-14 |
| 4937855 | Building security system | Wayne McNab | 1990-06-26 |