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Priority claimed from US07/467,818external-prioritypatent/US5062287A/en
Priority claimed from US07/467,811external-prioritypatent/US5067341A/en
Application filed by Dayton Reliable Tool & Mfg CofiledCriticalDayton Reliable Tool & Mfg Co
Priority claimed from EP91100387Aexternal-prioritypatent/EP0438106B1/de
Application grantedgrantedCritical
Publication of ATE104182T1publicationCriticalpatent/ATE104182T1/de