Patents by Inventor Betty H. Clayton

Betty H. Clayton 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: D326820
    Type: Grant
    Filed: March 29, 1990
    Date of Patent: June 9, 1992
    Inventor: Betty H. Clayton