Patents by Inventor Ron Geurts

Ron Geurts 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: D544511
    Type: Grant
    Filed: July 20, 2005
    Date of Patent: June 12, 2007
    Assignee: Gemological Institute of America (GIA)
    Inventor: Ron Geurts