Patents/Inventors

Jinhua Duan

GuangdongCN9 patents

9 Patents

US125357212026
Photographic Equipment Assembly and Telescopic Support Thereof
ZHONGSHAN DASHAN PHOTOGRAPHIC EQUIPMENT CO., Ltd.
0 cites
US124490892025
One-step Locking Stand
ZHONGSHAN DASHAN PHOTOGRAPHIC EQUIPMENT CO., Ltd.
0 cites
US124424822025
Quick Connection Structure
ZHONGSHAN DASHAN PHOTOGRAPHIC EQUIPMENT CO., Ltd.
0 cites
USD10622182025
Satchel
ZHONGSHAN DASHAN PHOTOGRAPHIC EQUIPMENT CO., Ltd.
0 cites
USD10303042024
Backpack
ZHONGSHAN DASHAN PHOTOGRAPHIC EQUIPMENT CO., Ltd.
0 cites
USD10295012024
Trolley Case
ZHONGSHAN DASHAN PHOTOGRAPHIC EQUIPMENT CO., Ltd.
0 cites
US119824322024
Light Emitting Module for Spotlight and Spotlight
ZHONGSHAN DASHAN PHOTOGRAPHIC EQUIPMENT CO., Ltd.
0 cites
US118216142023
Photographic Lamp and Lighting Assembly
ZHONGSHAN DASHAN PHOTOGRAPHIC EQUIPMENT CO., Ltd.
0 cites
US118222132023
Softbox and Substrate Thereof
0 cites