Patents by Inventor Jon Ker

Jon Ker 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 Hitch-Ball Chain Coupler
    Publication number: 20120023710
    Abstract: A tool for temporarily coupling a chain to a trailer hitch-ball or similar device, or for temporarily coupling separate chains comprising a rigid flat body contour plate with a hitch-ball cavity member for engagement with a trailer hitch-ball or similar device, an engagement slot member as a securing mechanism to the hitch-ball, and opposing chain link notches members for engagement of chain(s).
    Type: Application
    Filed: July 26, 2011
    Publication date: February 2, 2012
    Inventors: David Wickstrom, Paul McMahan, Jon Ker