Ruyun Guo

5 Patents

• USD10367632024

  Electronic Vaporizer

  0 cites
• USD10234322024

  Atomizer

  0 cites
• USD10132522024

  Electronic Vaporizer

  Shenzhen Itsuwa Tech Co. Ltd.

  0 cites
• USD10006922023

  Ceramic Heater

  0 cites
• US116598642023

  Electronic Cigarette Burner Element

  0 cites