A dual-purpose cup that is an ordinary cup that can be rapidly converted into a dysphagia cup. The dual-purpose cup includes a peripheral sidewall open at its upper end and closed at its lower end by a bottom floor. The peripheral sidewall has a perforated line therein proximate to the upper end, wherein...http://www.google.fr/patents/US20060124718?utm_source=gb-gplus-shareBrevet US20060124718 - Dual-purpose cup
