Sufeng Cai

3 Patents

• US120030552024

  Snap-fit Type Self-locking Combined Upper Cover for a Power Strip

  JIANGSU GENERAL PROTECHT CO., Ltd.

  0 cites
• US119295732024

  Thin Safety Door

  JIANGSU GENERAL PROTECHT CO., Ltd.

  0 cites
• US116885762023

  Structure of Ground Fault Circuit Interrupter

  JIANGSU GENERAL PROTECHT CO., Ltd.

  0 cites