Qincan Li

4 Patents

• US124665942025

  Household Vacuum Sealer Supplied AC Power and Heated

  Bonsen Electronics Limited

  0 cites
• US116186012023

  Vacuum Sealing Machine Capable of Locking Cover Automatically Having Upper Cover Limiting Mechanism

  BONSEN ELECTRONICS LIMITED

  0 cites
• US115658412023

  Vacuum Sealing Machine

  Bonsen Electronics Limited

  0 cites
• US115420502023

  Vacuum Sealing Machine Driven by Air Pressure

  Bonsen Electronics Limited

  0 cites