Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9377521 | Hygiene monitoring and management system and method | Anderson Chung Kong Li | 2016-06-28 |
| 8786429 | Hygiene monitoring and management system and method | Anderson Li | 2014-07-22 |