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 US07/572,868external-prioritypatent/US5064084A/en
Application filed by Hc IndfiledCriticalHc Ind
Publication of NO921612D0publicationCriticalpatent/NO921612D0/no
Publication of NO921612LpublicationCriticalpatent/NO921612L/no