Patents by Inventor Daniel K. Grignon

Daniel K. Grignon 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: 5518260
    Abstract: A device for moving disabled vehicles in which fixed and movable jaws are carried by a self-propelled truck and function under operator control for selectively capturing coaxial vehicle tires between the jaws, and lifting the tires and vehicle so that the same may be propelled by the truck. Rollers are mounted for free rotation along the forward edges of the movable jaws for pushing engagement with the vehicle tires to propel the vehicle under control of the truck in situations where the jaws cannot be positioned beneath the vehicle tires, such as when the vehicle is on a dynamometer or inclined surface.
    Type: Grant
    Filed: December 12, 1994
    Date of Patent: May 21, 1996
    Assignee: Chrysler Corporation
    Inventor: Daniel K. Grignon