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.)
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Priority claimed from US06/311,043external-prioritypatent/US4468931A/en
Priority claimed from US06/311,045external-prioritypatent/US4446995A/en
Priority claimed from US06/311,042external-prioritypatent/US4498610A/en
Priority claimed from PCT/US1982/001393external-prioritypatent/WO1983001422A1/en
Application filed by Wooding CorpfiledCriticalWooding Corp
Publication of NO832043LpublicationCriticalpatent/NO832043L/en
Publication of NO157328BpublicationCriticalpatent/NO157328B/en
Publication of NO157328CpublicationCriticalpatent/NO157328C/en