Patents by Inventor Hans E. Keeling

Hans E. Keeling 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).

  • Basketball training system
    Patent number: 5125651
    Abstract: The present invention is directed to a basketball training system including a first basketball hoop mounted at a predetermined elevation above a playing surface and a second basketball hoop mounted below the first basketball hoop and above said playing surface in a position such that a line representing the descending path of a desirably shot basketball will pass substantially through the centers of both of the basketball hoops.
    Type: Grant
    Filed: November 6, 1990
    Date of Patent: June 30, 1992
    Inventors: Edward J. Keeling, Hans E. Keeling