Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4991123 | Alarm system | — | 1991-02-05 |
| 4622540 | Security system status reporting | John K. Guscott | 1986-11-11 |
| 4546344 | Temperature compensated alarm system | John K. Guscott | 1985-10-08 |