Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D884045 | Screen magnifier | — | 2020-05-12 |
| 10527034 | Digitized automatic control method for oil-pumping and digitized balance-shifting pumpjack | Changle Gao, Shenghong Zheng, Shujian Ma, Ninghui Li, Shengcun Yu +6 more | 2020-01-07 |