Patents/Inventors

Guanhua Zhou

XiangtanCN14 patents

7 Patents

US125992872026
Self-locking Device of Endoscope
HUNAN VATHIN MEDICAL INSTRUMENT CO., Ltd.
0 cites
US123900942025
Multi-directionally Guided Endoscope
HUNAN VATHIN MEDICAL INSTRUMENT CO., Ltd.
0 cites
USD10665252025
Kettlebell
0 cites
USD10641292025
Dumbbell
0 cites
USD10526732024
Digital Boxing Trainer
0 cites
US119803372024
Handle of Endoscope with Self-locking Assembly and Insertion End Positioning Assembly
HUNAN VATHIN MEDICAL INSTRUMENT CO., Ltd.
0 cites
US119691462024
Self-locking Device of Endoscope
HUNAN VATHIN MEDICAL INSTRUMENT CO., Ltd.
0 cites