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Priority claimed from US06/911,573external-prioritypatent/US4722222A/en
Priority claimed from US07/036,826external-prioritypatent/US4757714A/en
Application filed by Insight IncfiledCriticalInsight Inc
Application grantedgrantedCritical
Publication of ATE102368T1publicationCriticalpatent/ATE102368T1/de