Patents by Inventor Anna U. Berg

Anna U. Berg 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).

  • Patent number: D293826
    Type: Grant
    Filed: August 20, 1984
    Date of Patent: January 19, 1988
    Inventors: Katarina H. Berg, Anna U. Berg