Patents by Inventor Johannes Petrus Coetzee Katzke

Johannes Petrus Coetzee Katzke 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).

  • Nozzle
    Patent number: D502985
    Type: Grant
    Filed: September 11, 2003
    Date of Patent: March 15, 2005
    Inventor: Johannes Petrus Coetzee Katzke
  • Tap
    Patent number: D519318
    Type: Grant
    Filed: September 11, 2003
    Date of Patent: April 25, 2006
    Inventor: Johannes Petrus Coetzee Katzke