Patents by Inventor Shun Po Chan

Shun Po Chan 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).

  • 2-piece upright toy vacuum cleaner
    Patent number: D443004
    Type: Grant
    Filed: May 8, 2000
    Date of Patent: May 29, 2001
    Inventor: Shun Po Chan
  • Stand for an infant play gym
    Patent number: D450782
    Type: Grant
    Filed: April 13, 2001
    Date of Patent: November 20, 2001
    Inventor: Shun Po Chan
  • Infant play gym
    Patent number: D451970
    Type: Grant
    Filed: April 13, 2001
    Date of Patent: December 11, 2001
    Assignee: Red Box Toy Factory, Ltd.
    Inventor: Shun Po Chan