Patents by Inventor Ann Batchelder Ditrtrich

Ann Batchelder Ditrtrich 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 having layered shock absorbing zones
    Patent number: 6050001
    Abstract: A shock absorbent shoe includes an outsole having a toe, a heel, and a cavity in the heel. An elastomeric shock absorbing plug is disposed within the heel cavity and includes a planar lower surface and an upper surface. The upper surface of the plug includes a raised central portion, an outer boundary, and an annular depression separating the raised central portions from the outer boundary. The shoe is divided into a number of shock absorbing zones, with each of zones including one or more shock absorbing layers or components.
    Type: Grant
    Filed: December 12, 1997
    Date of Patent: April 18, 2000
    Assignee: Florsheim Group Inc.
    Inventor: Ann Batchelder Ditrtrich