Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9945698 | Macro-micro composite grating ruler measuring system and measuring method using same comprising a macro-scale reading module, a micro-scale reading module and a measuring reference line | Zhijun Yang, Xin Chen, Jian Gao, Haidong Yang, Meng Wang | 2018-04-17 |