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 US06/160,548external-prioritypatent/US4499889A/en
Publication of NO842434LpublicationCriticalpatent/NO842434L/no
Application filed by Vermont CastingsfiledCriticalVermont Castings
Priority to NO842434ApriorityCriticalpatent/NO157273C/no
Publication of NO157273BpublicationCriticalpatent/NO157273B/no
Publication of NO157273CpublicationCriticalpatent/NO157273C/no