Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9808735 | Lawn ornament having rotatable blades with solar-activated light-emitting devices | Fei Qiu, Richard Edmund Koval | 2017-11-07 |
| 9148996 | Lawn ornament having rotatable decorative blades with solar-activated light-emitting devices | Fei Qiu, Richard Edmund Koval | 2015-10-06 |