A tire is provided with at least one textured marking on an outer surface of a sidewall of the tire. The at least one textured marking includes crumb rubber adhered to the sidewall of the tire....http://www.google.es/patents/US7387144?utm_source=gb-gplus-sharePatente US7387144 - Tire having a textured marking and method of making same
Tire having a textured marking and method of making same