Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5821700 | Visual warning system for a railway vehicle | — | 1998-10-13 |
| 5717378 | Security system with fall back to local control | James E. Berube | 1998-02-10 |
| 5416466 | Personal security system with fixed testing transmitters | Pasquale L. Amodio | 1995-05-16 |