Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5578989 | Personal security system with system wide testing | — | 1996-11-26 |
| 5483223 | Personal security system with end-to-end test | — | 1996-01-09 |
| 5467074 | Personal security system with transmitter test mode | — | 1995-11-14 |
| 5115224 | Personal security system network | Karl H. Kostusiak, Todd Heckleman | 1992-05-19 |
| 5111187 | Personal security system network with false alarm prevention | Todd Heckleman | 1992-05-05 |
| 5043703 | Supervision of autodyne microwave motion-detection system | William DiPoala | 1991-08-27 |
| 4764755 | Intruder detection system with false-alarm-minimizing circuitry | George E. Behlke | 1988-08-16 |
| 4502025 | High speed PIN diode switched antenna coupler and method | Robert H Carl, Jr., Floyd A. Koontz | 1985-02-26 |