Patents by Inventor Louis J. Whispell

Louis J. Whispell 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: 4462171
    Abstract: A compartmentalized, variable cushioning sole construction in footwear having a top attached to an inner sole. The construction includes an outer sole and a flexible wall structure joining the peripheral edges of the inner and outer soles to form an enclosed space therebetween. This space is partitioned into fluid-tight, independently inflatable compartments corresponding to the heel, arch and ball regions of a foot. Resilient support structure in each of the compartments provides resilient weight support between the inner and outer soles when the compartments are deflated.
    Type: Grant
    Filed: May 28, 1982
    Date of Patent: July 31, 1984
    Inventor: Louis J. Whispell