Patents by Inventor Timothy G. Krivanek

Timothy G. Krivanek 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).

  • Variable resistance band exercise machine
    Patent number: 5387171
    Abstract: A variable resistance band exercise machine for exercising the body of a user including their arms, waists and legs. The user moves various groups of movable exercise components against the resistance provided by elastically deformable resistance bands. The deformable resistance bands are removable and can be interchangeably exchanged with any group of exercise components.
    Type: Grant
    Filed: January 14, 1994
    Date of Patent: February 7, 1995
    Assignee: National Barbell Supply, Inc.
    Inventors: Michael E. Casey, Timothy G. Krivanek