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
Priority claimed from US06/616,644external-prioritypatent/US4659324A/en
Application filed by Beckman Instruments IncfiledCriticalBeckman Instruments Inc
Application grantedgrantedCritical
Publication of ATE46833T1publicationCriticalpatent/ATE46833T1/de