1
Geoffrey L Hollister, Dennis E Vixie: Athletic training shoe having foam core and apertured sole layers. BRS, Klarquist Sparkman Campbell Leigh Hall & Whinston, August 23, 1977: US04043058 (115 worldwide citation)

A straight last athletic training shoe is described employing a foam core sole layer and an apertured sole layer between a harder outer sole layer and the shoe upper. The apertured sole layer provides lightweight cushioning and is preferably a heel lift layer positioned below an intermediate sole la ...


2
William J Bowerman, Geoffrey L Hollister, Stanley L James, Dennis E Vixie: Track shoes having straight last and improved spike placement. BRS, Klarquist Sparkman Campbell Leigh Hall & Whinston, July 15, 1980: US04212120 (16 worldwide citation)

A track shoe is described having a shoe upper and sole made on a straight last, whose last axis bisects the heel and passes through the second metatarsal head of the wearer's foot. The spike plate portion of the sole has a rear pair of spike fasteners which place the two rearmost spikes behind the h ...