A rugged shaped sheet capable of exhibiting improved non-slip properties and aesthetic properties and a process for manufacturing the same. The rugged shaped sheet includes a base sheet member and a rugged pattern of a predetermined shape adhered to the base sheet member. The rugged pattern is...http://www.google.es/patents/US5853854?utm_source=gb-gplus-sharePatente US5853854 - Rugged shaped sheet and process for manufacturing same
Rugged shaped sheet and process for manufacturing same
