Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5995847 | Emergency alerting system for remotely located sites | — | 1999-11-30 |
| 5548632 | Safe alert emergency alerting system for remotely located sites | Frank Walsh, David Hines | 1996-08-20 |