Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9398797 | Nail gauge measuring nail shape and nail arc length | Yong Li, Kefei Wang | 2016-07-26 |
| 9227359 | System and method for manufacturing custom-fit three-dimensional artificial nails | Yong Li, Kefei Wang | 2016-01-05 |