Patents by Inventor Helen Hagan

Helen Hagan 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).

  • Scooter for toy animals
    Patent number: D467625
    Type: Grant
    Filed: September 28, 2001
    Date of Patent: December 24, 2002
    Assignee: Build-A-Bear Workshop, Inc.
    Inventors: Maxine Clark, Beverly Schofield, Diane Ressel, Helen Hagan
  • Toy bicycle
    Patent number: D478534
    Type: Grant
    Filed: April 18, 2002
    Date of Patent: August 19, 2003
    Assignee: Build-A-Bear Workshop, Inc.
    Inventors: Maxine Clark, Shelley Armstrong, Helen Hagan, Shari Stout, Ming-Tai Tun