Patents by Inventor Robert Charles Sievwright

Robert Charles Sievwright 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).

  • Mower
    Patent number: D660875
    Type: Grant
    Filed: October 29, 2010
    Date of Patent: May 29, 2012
    Assignee: Trimax Mowing Systems NZ Limited
    Inventors: Keith Ross Mabey, James Iain McEwen, Robert Charles Sievwright, Ryan Thomas Andrew Graham, Gareth Nigel Lauchlan