Patents by Inventor Carroll L. Hall, Jr.

Carroll L. Hall, Jr. 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: 5184826
    Abstract: A golf swing training device (100) is provided for aiding a golfer in developing a proper golf swing. The golf swing training device (100) includes a housing (110) releasably coupled to the shaft portion of a golf club (10). Within the housing (110) there is provided an electrical circuit (112) having a pair of angularly disposed position sensors (120, 130), coupled in series relation to complete a circuit for energizing an audio transducer (140) responsive to golf club (10) being properly positioned parallel to the base surface (20) to indicate the proper backswing position.
    Type: Grant
    Filed: May 7, 1992
    Date of Patent: February 9, 1993
    Inventor: Carroll L. Hall, Jr.