Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 9832565 | Speaker sound hole device | Chengfei Zhang, Xinfeng Yang | 2017-11-28 | |
| 9683991 | Method of generating a metamaterial, and a metamaterial generated thereof | Qihua Xiong, Xinlong Xu | 2017-06-20 | |
| 9678241 | Magnetic ranging tool and method | — | 2017-06-13 | $29,708,000 |