Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9863624 | Gas-filled LED bulb manufactured by SMT | Hanxin Rao | 2018-01-09 |
| 9822933 | Gas-filled LED bulb | Hanxin Rao | 2017-11-21 |
| 9777441 | Modular assembled artificial skating rink | — | 2017-10-03 |