Patents by Inventor Charles E. Shuler

Charles E. Shuler 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).

  • Patent number: 5850703
    Abstract: A cushioned insole (10) has an upper layer (12) and a lower layer (14). The layers have a toe area, a heel area, an upper surface and a lower surface. The insole has a cushion (28) disposed between the lower surface of the upper layer and the upper surface of the lower layer in the toe area of the layers. In the heel area of the layers, a tack board (30) is disposed between the upper and lower layers. A rib (40) is attached to the upper surface of the upper layer and to the lower layer by stitching, capturing the cushion therebetween and forming a peripheral margin exteriorly of the stitching. A lip (32) is formed from the upturned peripheral margin of the upper layer and is attached to the rib to add strength and reinforcement to the overall structure.
    Type: Grant
    Filed: July 23, 1997
    Date of Patent: December 22, 1998
    Assignee: Boot Royalty Company, L.P.
    Inventors: John G. Pearce, Charles E. Shuler