Patents by Inventor Nathan Renfro

Nathan Renfro 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).

  • Microscope
    Patent number: D1124083
    Type: Grant
    Filed: December 18, 2023
    Date of Patent: April 28, 2026
    Assignee: Gemological Institute of America, Inc. (GIA)
    Inventors: Mehdi Toosi, Anthony Brown, Chris Carr, Philip Miller, Nathan Renfro