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 US07/450,200external-prioritypatent/US5098740A/en
Priority claimed from PCT/US1989/005838external-prioritypatent/WO1990006906A1/en
Application filed by Norton CofiledCriticalNorton Co
Publication of NO912417D0publicationCriticalpatent/NO912417D0/no
Publication of NO912417LpublicationCriticalpatent/NO912417L/no