Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821355 | Automatic eyewear cleaner | Charles E. Taylor, Edward McKinney, Sik-Leung Chan, John Efroymson | 2004-11-23 |
| 6749667 | Electrode self-cleaning mechanism for electro-kinetic air transporter-conditioner devices | John Paul Reeves, Shek Fai Lau | 2004-06-15 |
| 6709484 | Electrode self-cleaning mechanism for electro-kinetic air transporter conditioner devices | Shek Fai Lau, Jimmy Lee | 2004-03-23 |