Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10767253 | Manufacturing apparatus for manufacturing mask frame assembly | Xinjian Zhang | 2020-09-08 |
| 10583534 | Jointing device for metal mask plate welding and welding method thereof | Jian Zhang, Junjie Huang, De-Jun Zhang, Rong Zhao | 2020-03-10 |