Patents by Inventor Mark M. Nuetzman

Mark M. Nuetzman 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).

  • Martial arts strike and kick bag
    Patent number: 5328425
    Abstract: A martial arts kick and strike bag made up of cylindrical and conic sections. A cylindrical section will effectively receive blows delivered in a plane orthoginal to the axis of the practice bag. Blows delivered along a rising incline with respect to the axis of the bag will be most effectively received by the wall of the conic section. Blows are most effectively received when striking the wall of the bag at an impact angle of approximately 90.degree.. The selected angles of the bag walls with respect to the axis of the bag minimize reaction forces such as might result from rising striking blows delivered to prior art, cylindrical, training bags.
    Type: Grant
    Filed: September 30, 1991
    Date of Patent: July 12, 1994
    Inventors: Mark H. Knighton, Mark M. Nuetzman