Patents by Inventor Joseph Robert Hamm

Joseph Robert Hamm 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).

  • System and apparatus for reducing the aerodynamic drag of a vehicle or trailer
    Patent number: 12319363
    Abstract: A rear impact guard includes at least one vertical member, and a horizontal member connected to a distal end of the at least one vertical member, the horizontal member having a plurality of through passages allowing for air flow through the horizontal member.
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: June 3, 2025
    Assignee: Streamliners, Inc.
    Inventors: Stephen Edward Tongue, Joseph Robert Hamm