Patents by Inventor R. Sean Amundson

R. Sean Amundson 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).

  • Bag closure device
    Patent number: D467802
    Type: Grant
    Filed: November 30, 2001
    Date of Patent: December 31, 2002
    Inventor: R. Sean Amundson