Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5680665 | Ball conditioning, sorting and collecting apparatus for circulating ball cleaning system | Dean Anson, Dennis P. Tronca | 1997-10-28 |
| 5321388 | High efficiency phase and amplitude matched multiple horn electronic siren | — | 1994-06-14 |
| 4945334 | Energizing means for electronic warning apparatus | — | 1990-07-31 |
| 4796009 | Electronic warning apparatus | — | 1989-01-03 |
| 4554531 | Omnidirectional siren | — | 1985-11-19 |