Patents by Inventor Sebastian Wilhelmus Josephus Den Boer

Sebastian Wilhelmus Josephus Den Boer 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).

  • Animal box
    Patent number: D557864
    Type: Grant
    Filed: April 20, 2006
    Date of Patent: December 18, 2007
    Assignee: Ten Cate Plasticum Ede B.V.
    Inventor: Sebastian Wilhelmus Josephus Den Boer
  • Flip-top cap
    Patent number: D713724
    Type: Grant
    Filed: November 15, 2012
    Date of Patent: September 23, 2014
    Assignee: Plasticum Group B.V.
    Inventor: Sebastian Wilhelmus Josephus den Boer