Patents by Inventor John Nangle

John Nangle 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).

  • Coupling member
    Patent number: 4558880
    Abstract: The present invention relates to a coupling member which comprises a first slotted member and a second key member, wherein the second key member is arranged to be inserted in to the slot of the first member and to be latched to the first member upon being partially rotated. The coupling member of the present invention is particulary envisaged for use as a secondary safety coupling between a towing vehicle and a trailer which are coupled by a primary coupling such as a ball and socket coupling.
    Type: Grant
    Filed: May 20, 1983
    Date of Patent: December 17, 1985
    Assignee: Salih Kazim
    Inventors: Terry Nangle, John Nangle, Salih Kazim