1
Michael L Tanel: Pivoting athletic shoe for artificial turf. Tanel Corporation, Peter N Jansson, March 31, 1987: US04653206 (102 worldwide citation)

A cleated athletic shoe for improved pivotability and traction on artificial turf. The sole of the shoe has a series of at least three, and preferably more, concentric annular projections, including a first annular projection encompassing nearly the entire ball-of-the-foot and toe portions of the so ...


2
William J Bowerman: Athletic shoe for artificial turf with molded cleats on the sides thereof. BRS, Klarquist Sparkman Campbell Leigh Hall & Whinston, March 25, 1980: US04194310 (67 worldwide citation)

Athletic shoes with molded cleats of resilient material for use on artificial turf or other hard surfaces are disclosed including first cleats provided on the bottom of the shoe sole positioned beneath the foot of the wearer and second cleats provided on both sides of the shoe. The second cleats are ...


3
Bowerman William J: Athletic shoe for artificial turf. BRS, Klarquist Sparkman Campbell Leigh Hall & Whinston, February 26, 1974: US3793750 (55 worldwide citation)

An athletic shoe suitable for use on artificial turf is described including an improved upper of a porous multiple layer construction and an improved sole having integral polygon shaped studs. The upper is preferably made of nylon tricot fabric outer layer, a polyurethane foam middle layer, and a po ...