Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D851520 | Portable local area gas monitor | Jex Zhang, JoJo Zhou, Jian Gao, Mark Li | 2019-06-18 |
| D846729 | Cone-shaped earplug with paddle handle | Zhao Jin, Jex Zhang, Charlotte Loomis, Dave Mulvey | 2019-04-23 |