Patents Assigned to Strong River Corporation
  • Hamstring stretching device and method
    Patent number: 5634873
    Abstract: An exercise and stretching device has a line and a combination comprising a support positioned relative to the line to redirect the line from a first direction to a second direction. The line has a first location on one side of the support to secure a first human appendage and a second location on an other side of the support for manipulation by a different human appendage. A grip is positioned relative to the support to hold the line at a selected position relative to the support.
    Type: Grant
    Filed: September 8, 1994
    Date of Patent: June 3, 1997
    Assignee: Strong River Corporation
    Inventor: Andrew J. Carlstrom