Patents/Inventors

Yifeng Zhang

XinxiangCN11 patents

10 Patents

US124548412025
Lighted Inflatable Apparatus
Polygroup Macau Limited (BVI)
0 cites
US120783172024
Electric Lighting System and Components, and Charging and Connection Mechanisms Thereof
Polygroup Limited (Macao Commercial Offshore)
0 cites
USD10196122024
Combined Earphones with Charging Case
0 cites
US119203692024
Lighted Inflatable Apparatus
Polygroup Macau Limited
0 cites
US118570782024
Inflatable Airbed Mattress Internal Support System
POLYGROUP MACAU LIMITED (BVI)
0 cites
USD10038672023
Earphones with Charging Case
0 cites
USD10038682023
Earphones with Charging Case
0 cites
USD09985622023
Bluetooth Earphone Charging Case
0 cites
USD09904562023
Wireless Earphone
0 cites
US115981112023
Lighted Inflatable Apparatus
Polygroup Macau Limited (BVI)
0 cites