Patents by Inventor Anthony J. DeMaeo

Anthony J. DeMaeo 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).

  • Patent number: 4199139
    Abstract: An improved exercising apparatus specifically designed to permit, in a single compact unit, barbell type, lifting exercises as well as pull type, muscle toning exercises. Incrementally selectable, vertically movable weights are raised and lowered either by the exertion of vertical straight line forces on a vertically adjustable body engaging means removably connected to a vertically movable carriage which is directly coupled with the weights, or alternatively by the exertion of pull type forces on a second body engaging means coupled with the weights through a system of pulleys which reduces the amount of force required to raise the weights by a predetermined amount.
    Type: Grant
    Filed: April 18, 1978
    Date of Patent: April 22, 1980
    Assignee: Marcy Gymnasium Equipment Co.
    Inventors: Parker E. Mahnke, Anthony J. DeMaeo