The present invention teaches a method of conducting retail and Internet business including making and delivering a custom article of footwear. The article of footwear taught in the present invention includes a spring element that can provide improved cushioning, stability, and running economy. Unlike...http://www.google.es/patents/US20030069807?utm_source=gb-gplus-sharePatente US20030069807 - Customized article of footwear and method of conducting retail and internet business
Customized article of footwear and method of conducting retail and internet ...
Número de solicitud: 10/279,626 Número de publicación: US 2003/0069807 A1 Fecha de presentación: 24 Oct 2002 Patente emitida: US7107235 ( Fecha de emisión 12 Sep 2006)