Kin Yu Wong

3 Patents

• US122057872025

  Snap-action Type Switch

  DEFOND ELECTECH CO., Ltd

  0 cites
• US118238562023

  Contact Lever Assembly for Use with an Electrical Switch

  DEFOND ELECTECH CO., Ltd.

  0 cites
• US116519152023

  Electrical Switch Device

  DEFOND ELECTECH CO., Ltd

  0 cites