Cheng Chen Nieh

5 Patents

• US125557242026

  Switching Device

  DEFOND ELECTECH CO., Ltd.

  0 cites
• US123621092025

  Electrical Switch with a Sealing Member for Use with an Electrical Device

  Defond Componets Limited

  0 cites
• US121835332024

  Linkage Structure of Key Switch

  DEFOND ELECTECH CO., Ltd

  0 cites
• US119138122024

  Control Assembly for Use in Operation of an Electric Device

  Defond Components Limited

  0 cites
• US119074492024

  Control Knob with Motion Sensing for Controlling Operation of a Machine

  Defond Components Limited

  0 cites