Patents Assigned to Trackguard Inc.
  • Patent number: 6247249
    Abstract: The shoe system comprises a shoe that has a toe section and a heel portion. A shoe sole is disposed inside the shoe and has a groove defined therein. The groove extends angularly from an upper surface of the shoe sole rearwardly towards the heel portion of the shoe. A wedge section is removably attached to the shoe sole. A shoe insert has a stiff first member and a resilient second member attached to the first member. The second member is inserted into the groove. The second member has one side that may be thicker than the opposite side so that the second member is only twistable in one direction.
    Type: Grant
    Filed: June 7, 1999
    Date of Patent: June 19, 2001
    Assignee: Trackguard Inc.
    Inventor: Wilhelm Ove Lindqvist