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.)
Filing date
Publication date
Priority claimed from US46446Aexternal-prioritypatent/US3040423A/en
Priority claimed from FR866386Aexternal-prioritypatent/FR1293486A/fr
Application filed by Heli Coil CorpfiledCriticalHeli Coil Corp
Publication of BE609482ApublicationCriticalpatent/BE609482A/fr