Patents by Inventor Lawrence S. Hanson

Lawrence S. Hanson 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).

  • Hitch for two wheel human transporter
    Patent number: D498715
    Type: Grant
    Filed: July 15, 2003
    Date of Patent: November 23, 2004
    Assignee: Swaison Inc.
    Inventors: Jeffrey T. Smith, Timothy J. Waite, Lawrence S. Hanson