Patents by Inventor John Yellen

John Yellen 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: D264402
    Type: Grant
    Filed: January 14, 1980
    Date of Patent: May 18, 1982
    Inventor: John Yellen