| Original language | English |
|---|---|
| Patent number | HK30025211 |
| Filing date | 14/04/20 |
| Publication status | Published - 18 Dec 2020 |
Reusable Face Mask
- Chi Wai Kan (Inventor)
- , Yiu Wan Yip (Inventor)
- , Jia-chi Chiou (Inventor)
- , Ka Fu Yung (Inventor)
Research output: Patents, agreements, assignments and companies › Patents granted