Patents by Inventor Sandra Keathley

Sandra Keathley 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).

  • Insulator coil support
    Patent number: D495298
    Type: Grant
    Filed: October 19, 2001
    Date of Patent: August 31, 2004
    Inventor: Sandra Keathley
  • Wireform ceramic support
    Patent number: D432148
    Type: Grant
    Filed: October 30, 1998
    Date of Patent: October 17, 2000
    Inventor: Sandra Keathley Thweatt