Patents/Inventors

Guangshan Wang

SuzhouCN2 patents

3 Patents

US119823982024
Support Frame and Photographing Device
PGYTECH CO., Ltd.
0 cites
US119661452024
Quick-mounting Structure, Adaptor Ring and Filter
PGYTECH CO., Ltd.
0 cites
USD09947532023
Inverted Head
PGYTECH CO., Ltd.
0 cites