Patents Assigned to 563704 B.C. Ltd.
  • Patent number: 6413197
    Abstract: A torsion board comprising a platform for supporting a user, a ground contacting member for maintaining the torsion board generally in a fixed position and orientation with respect to a ground surface and a resilient interconnecting member mounted between the ground contacting member and the platform to permit pivoting of the platform about first, second and third orthogonal axes, said first axis being generally coincident with a gravitational axis along which gravitational forces act upon said user.
    Type: Grant
    Filed: October 20, 1998
    Date of Patent: July 2, 2002
    Assignee: 563704 B.C. Ltd.
    Inventors: Alexander McKechnie, Frantisek Ziak