Patents by Inventor Edward J. Tetrault

Edward J. Tetrault 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: 4835883
    Abstract: Shoe construction is set forth effecting ventilation of the sole portion of the shoe. Air external to the shoe is provided access interiorly thereof by means of a conduit directing such air to a sole portion including a plurality of flexible vane elements formed with openings therein. Normal weight distribution about the weight supportive sole portion of the shoe effects a pumping action by means of the vane elements to enable air to circulate therethrough and ultimately to a user's foot through a porous cushioning layer overlying said sole.
    Type: Grant
    Filed: December 21, 1987
    Date of Patent: June 6, 1989
    Inventors: Edward J. Tetrault, Larry D. Land