Shaohua Sang

5 Patents

• USD10936212025

  Device for Cleaning Teeth

  0 cites
• USD10866272025

  Squeeze Water Mop Bucket

  0 cites
• USD10838322025

  Surge Protector

  0 cites
• US123580312025

  Split Ultrasonic Cleaning Machine

  0 cites
• US123498502025

  Mop Bucket

  0 cites