Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11131112 | Expandable canopy tent frame | Andrew David Frankel, Tian-Xia Zheng | 2021-09-28 |
| 11000128 | Horizontal-moving and rocking appliance and rocking chair | Andrew David Frankel, Tian-Xia Zheng | 2021-05-11 |
| 10913477 | Roller component and trolley | Andrew David Frankel, Tian-Xia Zheng | 2021-02-09 |