Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D640367 | Ring type halitosis detector | Kun-Feng Lee, Hsi Feng Kao, Hsing-Hsien Ho | 2011-06-21 |
| D634839 | Sling type halitosis detector | Hsi Feng Kao, Kun-Feng Lee, Chung-Kai Chen | 2011-03-22 |