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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Publication date
Priority claimed from US07/143,916external-prioritypatent/US4904610A/en
Application filed by Gen Instrument CorpfiledCriticalGen Instrument Corp
Priority to IN283/MAS/91ApriorityCriticalpatent/IN171737B/en
Publication of IN171737BpublicationCriticalpatent/IN171737B/en