Patents by Inventor Louis Cronje

Louis Cronje 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: D656223
    Type: Grant
    Filed: July 31, 2008
    Date of Patent: March 20, 2012
    Inventors: Louis Cronje, Pieter Albertus Reinecke, Johannes Cronje