Patents Assigned to Stanley O. Vogen
  • Raft with removable weighted members that provide buoyancy
    Patent number: 4089528
    Abstract: A weight lifting device or apparatus specially adapted for use in water, such as pools, or at the beach, the weight of which may be varied to fit the needs of the user. Special filling and draining arrangement facilitates adding or removing water equally and simultaneously from both ends of the device to insure balance between the two ends.
    Type: Grant
    Filed: December 20, 1976
    Date of Patent: May 16, 1978
    Assignee: Stanley O. Vogen
    Inventor: William J. Green