Patents by Inventor Michael J. Fassl

Michael J. Fassl 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).

  • Swing enhancement exercise device with resilient resistance
    Patent number: 7993249
    Abstract: A training and swing exercise device with resilient resistance is used as a training apparatus for developing greater power and strength at impact when striking a ball. The device provides impact resistance to a golfer, baseball player's, hockey player's, field hockey player's and tennis player's swing in order to develop greater strength and power at ball impact. The striking unit which pivots provides high impact absorption.
    Type: Grant
    Filed: September 26, 2006
    Date of Patent: August 9, 2011
    Inventors: Michael J. Fassl, Robert T. Kaiser