Patents by Inventor Dan Hoekstra

Dan Hoekstra 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).

  • Alphanumeric keypad
    Patent number: D557264
    Type: Grant
    Filed: May 19, 2006
    Date of Patent: December 11, 2007
    Assignee: Otter Products, LLC
    Inventors: Curtis R. Richardson, Jamie L. Johnson, Alan Morine, Douglas Kempel, Dan Hoekstra
  • Nose hair trimmer
    Patent number: D487168
    Type: Grant
    Filed: April 2, 2003
    Date of Patent: February 24, 2004
    Assignee: PHR Systems, Ltd.
    Inventors: Dan Hoekstra, Jerry Keffer, Mark Bellm