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 Hanoch ShalitfiledCriticalHanoch Shalit
Priority claimed from EP90912055Aexternal-prioritypatent/EP0489758B1/en
Application grantedgrantedCritical
Publication of ATE148288T1publicationCriticalpatent/ATE148288T1/en