Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6851150 | Block head structure of electric toothbrush | — | 2005-02-08 |
| 6581234 | Dental brush unit comprising gear connections | Jin Po Lee | 2003-06-24 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6851150 | Block head structure of electric toothbrush | — | 2005-02-08 |
| 6581234 | Dental brush unit comprising gear connections | Jin Po Lee | 2003-06-24 |