Patents by Inventor David P. Heisterkamp

David P. Heisterkamp 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).

  • Tractor hood
    Patent number: D620503
    Type: Grant
    Filed: December 3, 2009
    Date of Patent: July 27, 2010
    Assignee: Deere & Company
    Inventors: Ryan Michael Krogh, William Edward Crookes, Thomas Cedric Boe, Andrew Easter, David P. Heisterkamp