1
Thomas L Ripley Sr, Stephen A Cataldo: Turfing systems for stadia. GreenTech L L C, Woodcock Washburn Kurtz Mackiewicz & Norris, November 21, 1995: US05467555 (39 worldwide citation)

Improved turf units for assembling a natural turf playing surface in a stadium or the like. Natural turf units are provided which are transportable between first and second locations, the second location being for the growth and maintenance of the turf unit; the first location being a location for t ...


2
Thomas L Ripley Sr, Stephen A Cataldo: Turfing systems for stadia. Greentech L L C, Woodcock Washburn Kurtz Mackiewicz & Norris, January 21, 1997: US05595021 (34 worldwide citation)

Improved turf units for assembling a natural turf playing surface in a stadium or the like. Natural turf units are provided which are transportable between first and second locations, the second location being for the growth and maintenance of the turf unit; the first location being a location for t ...