Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11213023 | Volatile material dispensing system | Hai Yan Cao, Amos Chen, Shumao Han, Joanna Jia, Deliang Shi | 2022-01-04 |
| 9498554 | Dispensing device | Hai Yan Cao, Amos Chen, Shumao Han, Joanna Jia, Deliang Shi | 2016-11-22 |
| D733275 | Dispensing device | Hai Yan Cao, Amos Chen, Shumao Han, Joanna Jia, Deliang Shi | 2015-06-30 |
| D730505 | Dispensing device | Hai Yan Cao, Amos Chen, Shumao Han, Joanna Jia, Deliang Shi | 2015-05-26 |