Patents Assigned to Force Distribution, Inc.
  • Hydraulic fit system for footwear
    Patent number: 4662087
    Abstract: A hydraulic regulated, space adjustment device for use within the interior of a footwear to adjust to specific space requirements of a foot as they vary during usage comprising a plurality of compartment which permits shifting of hydraulic fluid in response to forces applied to the footwear. The said device further comprises channels, flow regulating valves, and hydraulic fluid insertion means.
    Type: Grant
    Filed: February 21, 1984
    Date of Patent: May 5, 1987
    Assignee: Force Distribution, Inc.
    Inventor: Donald R. Beuch