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 Melvin J Fregly, James Robert CadefiledCriticalMelvin J Fregly
Priority claimed from EP88909260Aexternal-prioritypatent/EP0342211B1/de
Application grantedgrantedCritical
Publication of ATE103491T1publicationCriticalpatent/ATE103491T1/de