1
Robert M Lyden: Method of conducting business including making and selling a custom article of footwear. Westman Champlin & Kelly P A, March 21, 2006: US07016867 (63 worldwide citation)

The article of footwear taught in the present invention includes a spring element that can provide improved cushioning, stability, and running economy. Unlike the conventional foam materials presently being used by the footwear industry, a preferred spring element is not substantially subject to com ...


2
Robert M Lyden: Method of conducting business including making and selling a custom article of footwear. Nickolas E Westman, Westman Champlin & Kelly P A, September 12, 2006: US07107235 (59 worldwide citation)

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. Unli ...



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