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Priority claimed from US06/473,431external-prioritypatent/US4642123A/en
Priority claimed from US06/553,520external-prioritypatent/US4678472A/en
Application filed by Joint Medical Products CorpfiledCriticalJoint Medical Products Corp
Application grantedgrantedCritical
Publication of ATE64292T1publicationCriticalpatent/ATE64292T1/de