Patents by Inventor Ernest P. de Wet

Ernest P. de Wet 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).

  • Exercising device and method
    Patent number: 4506885
    Abstract: An exercising device 10 comprises a relatively light-weight shank 12 having a longitudinally extending handle 14 at one end thereof and a pair of relatively massy heads 16.1 and 16.2 at the other end. The heads are spaced from and disposed on opposite sides of the longitudinal axis 24 of the handle and the shank, and are connected to the shank and to one another by a relatively light-weight connecting structure 18. The moment of inertia of the head 16.1 about the axis 24 is about a third as great as that of the head 16.2.
    Type: Grant
    Filed: May 20, 1983
    Date of Patent: March 26, 1985
    Inventor: Ernest P. de Wet