Patents by Inventor Johan Henricus Leemkuil

Johan Henricus Leemkuil 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: D684394
    Type: Grant
    Filed: December 22, 2012
    Date of Patent: June 18, 2013
    Inventor: Johan Henricus Leemkuil
  • Patent number: D684395
    Type: Grant
    Filed: December 22, 2012
    Date of Patent: June 18, 2013
    Inventor: Johan Henricus Leemkuil