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 PH13850Aexternal-prioritypatent/PH10023A/en
Application filed by H Hess, T Schaaf, L CzubafiledCriticalH Hess
Priority to PH15890*UApriorityCriticalpatent/PH9613A/en
Publication of PH9613ApublicationCriticalpatent/PH9613A/en