Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10411747 | Case having battery box for smart phone/tablet | Davy Zide Qian, Benyu Qian | 2019-09-10 |
| 10305530 | Case having holder for tablet/mobile phone | Davy Zide Qian, Benyu Qian | 2019-05-28 |