Patents Assigned to Treshlen Limited
  • Shoe with sole that includes inflatable passages to provide cushioning and stability
    Patent number: 4856208
    Abstract: A shoe sole includes a body portion which extends from a toe end of the shoe to a heel end and either two inflatable tubes that extend along the sides of the body portion or a single inflatable tube that extends around the periphery of the body portion so as to define an elongated recess that exposes the bottom surface of the body portion, the fluid in the inflatable tube(s) moving therewithin when more load is applied on one side of the shoe defining use than the other.
    Type: Grant
    Filed: February 9, 1988
    Date of Patent: August 15, 1989
    Assignee: Treshlen Limited
    Inventor: Carlo Zaccaro