Patents Assigned to Frank Joutras
  • Apparatus for exercising hands against constant force
    Patent number: 4869492
    Abstract: A hand grip includes first and second grip members connected to each other at a pivot point for permitting said first and second grip members to be moved together and away from each other. The two hand grip members are connected together through a pawl and ratchet, friction disks and a spring so that they are moved toward each other against an adjustable friction force and spring returned.
    Type: Grant
    Filed: May 17, 1988
    Date of Patent: September 26, 1989
    Assignee: Frank Joutras
    Inventor: Frank E. Joutras