Patents by Inventor Walter F. Swanson

Walter F. Swanson 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).

  • Bar of soap
    Patent number: D293487
    Type: Grant
    Filed: May 10, 1985
    Date of Patent: December 29, 1987
    Inventor: Walter F. Swanson