Patents by Inventor Erik Ewertsen

Erik Ewertsen 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: D605889
    Type: Grant
    Filed: April 2, 2009
    Date of Patent: December 15, 2009
    Inventors: Erik Ewertsen, Douglas Ewertsen