Patents by Inventor Sonja Wigren

Sonja Wigren 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 holder
    Patent number: D445550
    Type: Grant
    Filed: November 15, 1999
    Date of Patent: July 24, 2001
    Inventors: Sonja Wigren, Cecilia Wigren