Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D907924 | Two-button toothbrush handle | Chong Bing Wong, Bart Johannes Massee, Chun Yuan, Leonardo Ochoa Sosa | 2021-01-19 |
| D844995 | One-button toothbrush handle | Chong Bing Wong, Bart Johannes Massee, Chun Yuan, Leonardo Ochoa Sosa | 2019-04-09 |