Patents by Inventor Chen Wei Tong

Chen Wei Tong has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Roller skate
    Patent number: D535714
    Type: Grant
    Filed: January 24, 2005
    Date of Patent: January 23, 2007
    Assignee: K&B International Limited
    Inventors: Chen Wei Cheng, Chen Wei Tong, Chen Wei Pei