Qinglei Kong

8 Patents

• US125077952025

  Folding Desk

  0 cites
• US124908322025

  Folding Chair

  0 cites
• US123366402025

  Armrest-foldable Chair

  0 cites
• US122200652025

  Folding Chair

  0 cites
• US121276862024

  Foldable Chair

  0 cites
• US119034792024

  Hammock

  0 cites
• US117848012023

  Key Management Method and Related Device

  Tencent Technology (Shehnzhen) Company Limited

  0 cites
• US117170882023

  Rocking Chair

  0 cites