Patents/Inventors

Qiu Xu

JiaxingCN3 patents

3 Patents

US125690662026
Seat Frame and Seat with Switchable Sitting and Lying Positions
HAINING HELI MACHINERY & TECHNOLOGY CO., Ltd.
0 cites
US118393032023
Movable Chair Device and Chair Assembly
HAINING HELI MACHINERY & TECHNOLOGY CO., Ltd.
0 cites
US116384832023
Chair Backrest Mechanism, Chair Frame and Chair
HAINING HELI MACHINERY & TECHNOLOGY CO., Ltd.
0 cites