Patents by Inventor Jacob E. Schumann

Jacob E. Schumann 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).

  • Patent number: 8517865
    Abstract: The present invention relates to a softball/baseball pitcher's pitching practice device, and to a method for using the device. It is a simple and inexpensive pitching practice device useful for indicating the boundaries of a typical strike zone to softball and baseball pitchers. More particularly, this invention relates to a pitching practice device having a strike zone indicator that can be conveniently adjusted to simulate the strike zones of batters of various heights.
    Type: Grant
    Filed: September 27, 2011
    Date of Patent: August 27, 2013
    Inventor: Jacob E. Schumann
  • Publication number: 20120172156
    Abstract: The present invention relates to a softball/baseball pitcher's pitching practice device, and to a method for using the device. It is a simple and inexpensive pitching practice device useful for indicating the boundaries of a typical strike zone to softball and baseball pitchers. More particularly, this invention relates to a pitching practice device having a strike zone indicator that can be conveniently adjusted to simulate the strike zones of batters of various heights.
    Type: Application
    Filed: September 27, 2011
    Publication date: July 5, 2012
    Inventor: Jacob E. Schumann