Patents by Inventor David L. Stelly

David L. Stelly 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).

  • Training bat
    Patent number: D878503
    Type: Grant
    Filed: July 30, 2018
    Date of Patent: March 17, 2020
    Inventor: David L. Stelly