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Priority claimed from US07/619,869external-prioritypatent/US5099574A/en
Priority claimed from US07/777,026external-prioritypatent/US5228198A/en
Application filed by Peerless Of AmericafiledCriticalPeerless Of America
Application grantedgrantedCritical
Publication of ATE104183T1publicationCriticalpatent/ATE104183T1/en