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 US06/411,739external-prioritypatent/US4422570A/en
Application filed by Ex Cell O CorpfiledCriticalEx Cell O Corp
Publication of KE3675ApublicationCriticalpatent/KE3675A/en