Patents by Inventor John C. Hunsberger

John C. Hunsberger 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).

  • Retractable derailment guard suspension
    Patent number: 4305336
    Abstract: A derail guard to prevent derailment of railed vehicles which can be readily attached to existing equipment is disclosed. The derail guard is particularly useful for track construction and repair equipment.
    Type: Grant
    Filed: January 21, 1980
    Date of Patent: December 15, 1981
    Inventors: John C. Hunsberger, Buddy J. Payton