Patents by Inventor Norman D. Levin

Norman D. Levin 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).

  • Spotter strap
    Patent number: 5253393
    Abstract: An apparatus for restricting the dynamic motion of a heavy bag suspended at one end for physical training purposes, said apparatus comprising a resilient strap portion releasably attached at one end to the lower end of the heavy bag by a resilient bonded cup, and releasably attached at the other end to the floor or other surface by a pair of hook members. Said hook members may be adapted for rotation such that said resilient strap portion may be free to rotate about the longitudinal axis thereof.
    Type: Grant
    Filed: December 19, 1991
    Date of Patent: October 19, 1993
    Inventor: Norman D. Levin