Patents by Inventor Ruth A. Randall

Ruth A. Randall 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: D345252
    Type: Grant
    Filed: January 31, 1992
    Date of Patent: March 22, 1994
    Inventor: Ruth A. Randall