Article: French Inventors Develop Footwear Items for Racket Sports

ALEXANDRIA, Va., June 10 -- Xavier Gibert of Chassieu, France, Francis Lepage of Dommartin, France, and Bertrand Barre of Lapeyrouse, France, have developed a sports shoe.

According to the U.S. Patent & Trademark Office: "The invention relates to a footwear item that is designed for racket sports. The inventive item includes a sole that includes a dynamic element that stores and releases energy when the sole is subjected to lateral stresses. The dynamic element includes at least two pair of elastically deformable support parts which are located longitudinally on either side of the metatarsus support area of the sole and which extend opposite to one another such that a first pair extend ...

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