Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE50593 | Electric and mechanical stretching apparatus for movable sofa | Bruce Huang, Dick Qin, James Li, Daniel Wang, Jerry Zou | 2025-09-23 |
| 9980576 | Device for opening of adjustable sofa without pausing and mechanical stretching device thereof | Bruce Huang, Daniel Wang, James Li, Jerry Zou | 2018-05-29 |
| 9756949 | Electric and mechanical stretching apparatus for movable sofa | Bruce Huang, Dick Qin, James Li, Daniel Wang, Jerry Zou | 2017-09-12 |