Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D505351 | Combined handset and announcement and siren signal generator and control unit | R. Michael Datz, Steven W. Neufeglise | 2005-05-24 |
| D503644 | Electronic announcement and siren signal generator and control unit | Steven W. Neufeglise, Jack Richardson | 2005-04-05 |