Patents by Inventor John M. Applegate

John M. Applegate 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).

  • Trailer safety chain adaptor
    Patent number: 5566965
    Abstract: An adaptor plate generally Y-shaped in plan is provided having a central opening formed therethrough. The adaptor plate is positionable over the step plate of a step bumper with the opening in the plate registered with the central hitch ball mounting shank receiving opening formed in the step plate and the adaptor plate is secured to the step plate through the utilization of the threaded shank of a hitch ball and the attendant nut and washer therefor.
    Type: Grant
    Filed: August 21, 1995
    Date of Patent: October 22, 1996
    Inventor: John M. Applegate