Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11116295 | Easy-to-drawing-in umbrella | Chin-Hsing Cho, Wei-Jen Chen, Mei-Ling Chen, Meng Jie Cui, Yang Yu | 2021-09-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11116295 | Easy-to-drawing-in umbrella | Chin-Hsing Cho, Wei-Jen Chen, Mei-Ling Chen, Meng Jie Cui, Yang Yu | 2021-09-14 |