Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7715550 | Telephone line interface, side-tone attenuation circuit and method | — | 2010-05-11 |
| 6960995 | Integrated lightning detector | James Parker | 2005-11-01 |
| 6519325 | Control panel with DSL bypass circuit | Fabio Almeida | 2003-02-11 |
| 6226357 | Security system alarm panel | — | 2001-05-01 |
| 5956388 | Security system with two signal reporting | James Parker | 1999-09-21 |
| 5923250 | Size discriminating dual element PIR detector | David McKenzie | 1999-07-13 |
| 5793288 | Intrusion alarm with independent trouble evaluation | John Peterson, Dennis Cecic | 1998-08-11 |
| 5625338 | Wireless alarm system | James Parker | 1997-04-29 |
| 5453733 | Intrusion alarm with independent trouble evaluation | John Peterson, Dennis Cecic | 1995-09-26 |
| 5444432 | Detection signal evaluation at varying signal levels | Dennis Cecic | 1995-08-22 |
| 5216410 | Intrusion alarm sensing unit | Dennis Cecic | 1993-06-01 |