Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7696143 | Acidic hard surface cleaners | Karen Ann McCue | 2010-04-13 |
| D583902 | Lavatory device | Tak Wai Cheung, Edward Fu, Lamson Nguyen, Tri Nguyen, Jeanne Marie Weller +1 more | 2008-12-30 |
| D574922 | Lavatory device | Tak Wai Cheung, Edward Fu, Lamson Nguyen, Tri Nguyen, Jeanne Marie Weller +1 more | 2008-08-12 |
| D555757 | Lavatory device | Tak Wai Cheung, Edward Fu, Lamson Nguyen, Tri Nguyen, Jeanne Marie Weller +1 more | 2007-11-20 |
| D541902 | Dispenser | Tak Wai Cheung, Edward Fu, Lamson Nguyen, Tri Nguyen, Jeanne Marie Weller +1 more | 2007-05-01 |
| D502530 | Lavatory device | Lamson Nguyen, Jeanne Marie Weller | 2005-03-01 |