Patents by Inventor Darrell William Wenhardt

Darrell William Wenhardt 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).

  • Publication number: 20140162803
    Abstract: In response to detecting a sound when a ball is contacted, a training device presents a visual indicator selected from at least two visual indicators. The visual indicator is presented for a display duration. After an elapsed time after the visual indicator is presented for the display duration, a confirmation indicator is presented identifying the visual indicator. As a result, the training device can be used without a coach or trainer.
    Type: Application
    Filed: December 6, 2012
    Publication date: June 12, 2014
    Inventors: John Michael Carney, Darrell William Wenhardt