Patents Assigned to Shenzhen Become Biotech Co., Ltd.
  • Laundry ball
    Patent number: D638593
    Type: Grant
    Filed: September 21, 2010
    Date of Patent: May 24, 2011
    Assignee: Shenzhen Become Biotech Co., Ltd.
    Inventor: Hongfei Cheng
  • Laundry ball
    Patent number: D643167
    Type: Grant
    Filed: September 21, 2010
    Date of Patent: August 9, 2011
    Assignee: Shenzhen Become Biotech Co., Ltd.
    Inventor: Hongfei Cheng
  • Dryer ball
    Patent number: D646448
    Type: Grant
    Filed: September 21, 2010
    Date of Patent: October 4, 2011
    Assignee: Shenzhen Become Biotech Co., Ltd.
    Inventor: Hongfei Cheng
  • Pumpkin shaped dryer ball
    Patent number: D646449
    Type: Grant
    Filed: September 21, 2010
    Date of Patent: October 4, 2011
    Assignee: Shenzhen Become Biotech Co., Ltd.
    Inventor: Hongfei Cheng