Patents Assigned to Ryka, Inc.
  • Shoe construction with resilient, absorption and visual components based on spherical pocket inclusions
    Patent number: 4972611
    Abstract: An athletic shoe with rebound characteristics thereof formed by a first class of hollow core spheres (32, 34, 36) of high resilience mounted in pockets (30A, 30B, 30C) of selected sole regions and a second class of hollow core spheres (38) mounted in exposed heel end pockets for visibility and affording a non-resilient absorption shoe as a whole being very lightweight with the inclusion of such hollow spheres and readily manufacturable therewith.
    Type: Grant
    Filed: August 15, 1988
    Date of Patent: November 27, 1990
    Assignee: Ryka, Inc.
    Inventors: Henry D. Swartz, Martin P. Birrittella