Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9586138 | Apparatus, systems, and methods for detecting projectile hits on a surface | Ji Dong Wei, Tao Wang, Ji Yuan Ao, Yi Guan | 2017-03-07 |
| 9028312 | Apparatus, systems, and methods for detecting projectile hits on a surface | Ji Dong Wei, Tao Wang, Ji Yuan Ao, Yi Guan | 2015-05-12 |