Patents by Inventor John E. Luker

John E. Luker 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).

  • Golf teaching aid
    Patent number: 5690494
    Abstract: A golf teaching aid for teaching a golfer proper swing positions and upper body golf muscles formed of an upper body yoke and a resilient cord attached between the yoke and a fixed object which creates resistance when a golfer rotates his body to simulate the rotational movements of a golf swing.
    Type: Grant
    Filed: November 25, 1996
    Date of Patent: November 25, 1997
    Inventor: John E. Luker