Issued Patents 2020
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D896195 | Video network conference telephone apparatus | Jian Cheng Zhang, Chun Sheng Su | 2020-09-15 |
| D886075 | Network conference telephone apparatus | Jian Cheng Zhang, Wei Cen Xu, Chun Sheng Su, Lian Chang Zhang, Ji Zhou | 2020-06-02 |
| D885360 | Network conference telephone apparatus | Jian Cheng Zhang, Wei Cen Xu, Chun Sheng Su, Lian Chang Zhang, Ji Zhou | 2020-05-26 |
| D883248 | Network conference telephone apparatus | Jian Cheng Zhang, Wei Cen Xu, Chun Sheng Su, Lian Chang Zhang, Ji Zhou | 2020-05-05 |
| 10611653 | System and method for combined microorganism degradation and air sparging-soil vapor extraction of oil-containing sludge | Juan Li, Beidou Xi, Chuanjun Zhao, Yang Wang, Jun Tang +2 more | 2020-04-07 |