Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6024930 | Ozone generator plate | William H. Racca | 2000-02-15 |
| 6009757 | Voltage regulated pressure transducer apparatus | Norman E. LeComte, Dale R. Sogge, Neal Pugh | 2000-01-04 |
| 5474750 | Resonant power supply circuit for ozone generators | William H. Racca | 1995-12-12 |