Patents by Inventor Paul Kaschura

Paul Kaschura has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Shoe of natural shape
    Patent number: 4306361
    Abstract: A shoe of natural shape having a flexible material forming the upper part of the shoe, replacing the insole, and extending all over the sole surface to comprise a stocking-like part which extends over the last to envelop the foot on all sides, there being a recess in the heel portion of the footbed with a bearing surface rising from this recess on a forward rising angle to the arch, the bearing surface being cup-shaped with a peripheral edge connected to the stocking-like part.
    Type: Grant
    Filed: November 20, 1979
    Date of Patent: December 22, 1981
    Assignee: Wolverine World Wide, Inc.
    Inventor: Paul Kaschura