The supporting device is an integrally formed manufacture having a retaining section with a hole to fit over...http://www.google.es/patents/US4955572?utm_source=gb-gplus-sharePatente US4955572 - Sports bottle supporting device B???squeda avanzada de patentes N???mero de publicaci???nUS4955572 ATipo de publicaci???nConcesi???n N???mero de solicitudUS 07/366,440 Fecha de publicaci???n11 Sep 1990 Fec