Weiqin Zhang

5 Patents

• USD10479452024

  Signal Transmitter

  0 cites
• USD10452592024

  Pet Training Device

  0 cites
• USD09915932023

  Pet Training Receiver

  0 cites
• USD09879142023

  Pet Training Device

  0 cites
• USD09743152023

  Interphone

  0 cites