Patents by Inventor Darrell I. Henry

Darrell I. Henry 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: 4718674
    Abstract: The disclosure describes an improved golf training aid for practicing a variety of golf shots. The training aid is portable and fits in a golf bag. The disclosed practice device includes frame members which are arranged in a rectangular or triangular form, foot markers slidably attached to the frame, a ball placement marker, and a graduated bar which extends upwardly at an adjustable angle for measuring the golfer's backswing.
    Type: Grant
    Filed: June 16, 1986
    Date of Patent: January 12, 1988
    Inventor: Darrell I. Henry