Patents by Inventor H. Roger Mackeown

H. Roger Mackeown 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 trailer hitch
    Patent number: 5860671
    Abstract: A trailer hitch assembly positioned in the bed of a pickup truck permits a trailer ball hitch to be rotatably moved between a deployed position and a retracted position by utilizing only forces generated manually and by the force of gravity.
    Type: Grant
    Filed: August 8, 1996
    Date of Patent: January 19, 1999
    Assignee: Pro-Hitch Manufacturing, Inc.
    Inventor: H. Roger Mackeown