Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE38183 | Synchronization circuit for visual/audio alarms | Edward V. Applegate | 2003-07-15 |
| 6583718 | Apparatus and method for synchronizing visual/audible alarm units in an alarm system | John W. Curran | 2003-06-24 |