A synthetic grass surface comprising widely spaced rows of ribbons and the ribbons having a length about twice as long as the spacing between the rows of ribbons. A particulate material is laid on a matrix of the synthetic grass, and the thickness of the particulate material is as least two-thirds the...http://www.google.es/patents/US20020028307?utm_source=gb-gplus-sharePatente US20020028307 - Synthetic turf
Número de solicitud: 09/988,783 Número de publicación: US 2002/0028307 A1 Fecha de presentación: 20 Nov 2001 Patente emitida: US6723412 ( Fecha de emisión 20 Abr 2004)
