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 William F HackettfiledCriticalWilliam F Hackett
Priority claimed from EP95906826Aexternal-prioritypatent/EP0746683B1/de
Application grantedgrantedCritical
Publication of ATE184372T1publicationCriticalpatent/ATE184372T1/de