Patents by Inventor Johnny D. Lang

Johnny D. Lang 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).

  • Foot position teaching apparatus for batting practice
    Patent number: 5076580
    Abstract: A foot positioning apparatus which is flat, flexible, and easy for anyone to use. A first member and a second member are telescopically attached to each other and the first member is pivotally attached to home plate. A third member is pivotally attached to the second member and the second member has foot alignment devices on each end thereof which are also pivotally attached to the third member whereby the entire device can be adjustably pivoted around home plate to accommodate both a left hand or a right hand batter and the batter can be adjusted additionally as to foot and leg positions and distance from home plate.
    Type: Grant
    Filed: March 25, 1991
    Date of Patent: December 31, 1991
    Inventor: Johnny D. Lang