Patents by Inventor Ruth E. Thomas

Ruth E. Thomas 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: D247129
    Type: Grant
    Filed: June 10, 1976
    Date of Patent: January 31, 1978
    Inventors: Marjorie K. Fimreite, Ruth E. Thomas