Patents by Inventor David Haugland

David Haugland 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: D627984
    Type: Grant
    Filed: March 13, 2009
    Date of Patent: November 30, 2010
    Inventor: David Haugland
  • Patent number: D653472
    Type: Grant
    Filed: March 13, 2009
    Date of Patent: February 7, 2012
    Inventor: David Haugland