Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Paul E. Litchfield0
Paul Shinney0
Ricardo Vestuti0
William McInnis0
Brian Christensen0
Kevin Leary0
Michael Andrews0
Date of Patent
May 6, 2014
0Patent Application Number
138296950
Date Filed
March 14, 2013
0Patent Citations Received
0
0
Patent Primary Examiner
Patent abstract
An article of footwear includes a sole having a forefoot portion, a heel portion and an outsole having a bottom surface including a primary ground contacting surface. The bottom surface of the outsole includes a forefoot bulge and a heel bulge which provide the footwear with controlled instability for providing dynamic conditioning of the wearer's muscles during the gait cycle.
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