Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6080362 | Porous solid remediation utilizing pulsed alternating current | Sik-Lam Wong | 2000-06-27 |
| 5973999 | Acoustic cannon | John T. Naff | 1999-10-26 |
| 5756054 | Ozone generator with enhanced output | Sik-Lam Wong | 1998-05-26 |