Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5565852 | Smoke detector with digital display | Mark A. Peltier, Douglas H. Marman, Michael E. Fossey | 1996-10-15 |
| 5534849 | Time multiplexed, false alarm resistant magnetically actuated security system | Kevin B. McDonald, Stephen W. Pierce, Michael Benowitz | 1996-07-09 |
| 4459582 | Local control apparatus for central station alarm system | Robert F. Sheahan | 1984-07-10 |