Patents by Inventor David W. Swanson

David W. 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).

  • Phototherapy cabinet
    Patent number: D260176
    Type: Grant
    Filed: May 12, 1980
    Date of Patent: August 11, 1981
    Assignee: Paul B. Elder Company
    Inventors: Armando Boschetti, David W. Swanson