Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Daniel T BarryfiledCriticalDaniel T Barry
Priority claimed from EP19870311016external-prioritypatent/EP0272082B1/en
Application grantedgrantedCritical
Publication of ATE79229T1publicationCriticalpatent/ATE79229T1/en