Patents by Inventor William L. Crigger

William L. Crigger 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: 5454172
    Abstract: A wear protector for a shoe in the form of a solid, flexible pad which is to be adhesively secured to a localized area on the upper of a shoe. The pad includes an exterior surface and is configured of a plurality of ridges and a plurality of grooves with there being a groove located between each directly adjacent pair of ridges. Each ridge is to encounter abrasive wear thereby protecting the upper of the shoe from wear in the area of the solid, flexible pad. During flexing of the shoe the material of the grooves deflects so as to not hinder the flexing movement of the shoe.
    Type: Grant
    Filed: August 4, 1994
    Date of Patent: October 3, 1995
    Inventor: William L. Crigger