Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10447051 | Electric fan-type power generating device with low energy consumption | Chun-Ying Cheng | 2019-10-15 |
| 10411578 | Low electric fan-type power generating device with low energy consumption | Chun-Ying Cheng | 2019-09-10 |