Patents by Inventor David Staff

David Staff 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).

  • UPRIGHT GLUTEUS ISOLATION WEIGHTLIFTING MACHINE
    Publication number: 20110218083
    Abstract: Weightlifting apparatus may be used by a person in a standing position to exercise gluteus muscles. The apparatus may include a pivoting exercise assembly configured to be positioned at hip level of the person and to be pivoted by a leg of the person. A shoulder brace assembly may be configured to provide constraint against a shoulder of the person. A chest brace assembly may be configured to provide constraint against a chest of the person.
    Type: Application
    Filed: February 15, 2011
    Publication date: September 8, 2011
    Inventor: David Staff