Dan-jun Ao

3 Patents

• US123707442025

  3D Printer and Feed Detection Apparatus Thereof

  Shenzhen Creality 3D Technology Co., Ltd.

  0 cites
• US120429972024

  Automatic Leveling Device of 3D Printer and 3D Printer

  Shenzhen Creality 3D Technology Co., Ltd.

  0 cites
• USD10100002024

  3D Printing Pen

  Shenzhen Creality 3D Technology Co., Ltd.

  0 cites