Patents by Inventor Robert R. Yeo

Robert R. Yeo 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).

  • Electric heating plate for cookware
    Patent number: D250627
    Type: Grant
    Filed: February 14, 1977
    Date of Patent: December 26, 1978
    Assignee: Dazey Products Co.
    Inventors: Samuel L. McNair, Robert R. Yeo