Patents by Inventor Lance Matthews

Lance Matthews 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).

  • Crutch device
    Patent number: 6494919
    Abstract: A prosthetic device for use with lower limb injuries, the device having a lower limb supporting platform and stabilizing brackets adjustably mounted on an upright leg member that is designed for efficient transfer of a user's weight through the hip, the upper leg and the knee to a foot disposed at the end of the leg member. The device allows the user to mimic a natural walking alignment preferably while maintaining the use of the arms and hands.
    Type: Grant
    Filed: November 20, 2000
    Date of Patent: December 17, 2002
    Assignee: Canadaleg Inc.
    Inventor: Lance Matthews