Patents by Inventor Mark Pierre Haarhoff

Mark Pierre Haarhoff 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).

  • Collapsible antenna
    Patent number: D789332
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: June 13, 2017
    Assignee: Poynting Antennas (Pty) Limited
    Inventors: Eduard Walker, Derek Colin Nitch, Mark Pierre Haarhoff, Andries Petrus Cronje Fourie