Patents by Inventor Robert Sallie

Robert Sallie 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).

  • Sit-up exercise machine
    Patent number: 10933279
    Abstract: A sit-up exercise machine includes a frame, chair and system of pulleys secured to a plurality of free-weights by a cable. The chair is hinged at the back. The weights are secured in opposition to the back of the chair such that resistance is required by a user of the chair to push the back of the chair away from the seat of the chair.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: March 2, 2021
    Inventor: Robert Sallie