Patents by Inventor Sun Woo Chun

Sun Woo Chun 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).

  • Toy block
    Patent number: D573202
    Type: Grant
    Filed: August 20, 2007
    Date of Patent: July 15, 2008
    Inventor: Sun Woo Chun
  • Toy block
    Patent number: D573203
    Type: Grant
    Filed: August 20, 2007
    Date of Patent: July 15, 2008
    Inventor: Sun Woo Chun
  • Toy block
    Patent number: D580995
    Type: Grant
    Filed: June 13, 2007
    Date of Patent: November 18, 2008
    Inventor: Sun Woo Chun