Patents by Inventor Ronald L. Stringham

Ronald L. Stringham 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).

  • Batting aid
    Patent number: 4300765
    Abstract: The batting aid is constructed with a shoulder piece for fitting against a shoulder and a jaw piece for fitting against a jaw of a batter. The jaw piece is resiliently connected to the shoulder piece to impede motion of the jaw piece towards the shoulder piece when in use. The batting aid serves to aid a batter in maintaining eye-to-ball contact during a swing.
    Type: Grant
    Filed: December 29, 1978
    Date of Patent: November 17, 1981
    Inventor: Ronald L. Stringham