Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5884184 | Supervised cellular reporting network | — | 1999-03-16 |
| 5844522 | Mobile telephone location system and method | Paul J. Bouchard | 1998-12-01 |
| 5568535 | Alarm system for enclosed area | Shiv P. Verma | 1996-10-22 |
| 5515419 | Tracking system and method for tracking a movable object carrying a cellular phone unit, and integrated personal protection system incorporating the tracking system | — | 1996-05-07 |
| 5218367 | Vehicle tracking system | Marco Thompson | 1993-06-08 |
| 5131019 | System for interfacing an alarm reporting device with a cellular radio transceiver | Ronald J. Chebra, Richard W. Haff | 1992-07-14 |
| 5101194 | Pattern-recognizing passive infrared radiation detection system | — | 1992-03-31 |
| 5055851 | Vehicle location system | — | 1991-10-08 |
| 5027383 | Supervised, interactive alarm reporting system | — | 1991-06-25 |
| 4891650 | Vehicle location system | — | 1990-01-02 |
| 4868859 | Supervised, interactive alarm reporting system | — | 1989-09-19 |