Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4683459 | Alarm system test annunciator | — | 1987-07-28 |
| 4636774 | Variable sensitivity motion detector | Aaron A. Galvin, John K. Guscott | 1987-01-13 |
| 4532507 | Security system with multiple levels of access | Patrick G. Monroe | 1985-07-30 |
| 4412211 | System for test sequence annunciation | William J. Lautzenheiser, Richard A. Simonetti, Martin E. Henderson, Kenneth E. Beeson | 1983-10-25 |