Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10286233 | Ergonomic back plate for self-contained breathing apparatus | Yajun Zhang, Jimmy Zheng, Pete Madson, Shelly Chen | 2019-05-14 |
| D746439 | Combination valve and buckle set for disposable respirators | Eric C. Steindorf, Johnny Zhuang, Bryan Teng, Tian Cheng, Zhou De Kuan +1 more | 2015-12-29 |
| D697585 | Actuator housing | Alina (Yun Zhi) Liu, Nathan Carlson, Tom Bakken, Peter B. Madson, Clay (Pei Ning) Sun | 2014-01-14 |