Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5831515 | Electronic siren apparatus including an integrated handheld microphone and control handle | John Sidney Stewart, Mick Cameron, Gregg Santangini | 1998-11-03 |
| D367435 | Combined electronic siren and handheld microphone | John Sidney Stewart, Mick Cameron, Gregg Santangini | 1996-02-27 |
| D298143 | Electronic voting machine | — | 1988-10-18 |
| 4726918 | Packing element | — | 1988-02-23 |
| 4649264 | Electronic voting machine | — | 1987-03-10 |
| 4646063 | Electronic siren with remote multiplexed control head | — | 1987-02-24 |
| 4189718 | Electronic siren | Gerald D. Smith, Frank R. Owens | 1980-02-19 |