Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11918835 | Powered air-purifying respirator (PAPR) with eccentric venturi air flow rate determination | Julius Jancarik, Garaga Phani Kumar, Anjaiah Tumu | 2024-03-05 |
| 10960237 | Powered air-purifying respirator (PAPR) with eccentric venturi air flow rate determination | Julius Jancarik, Garaga Phani Kumar, Anjaiah Tumu | 2021-03-30 |
| 9554610 | Protective headgear assembly | Joseph Rodrigues, Jacky Zhu, Oliver Li | 2017-01-31 |
| D705492 | Hardhat | Jie Zhu, Ning Qin, Joseph Rodrigues, Zhao Jin, Oliver Li | 2014-05-20 |