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
Application filed by H Rochling, O SchererfiledCriticalH Rochling
Priority to PH10408ApriorityCriticalpatent/PH9763A/en
Publication of PH9763ApublicationCriticalpatent/PH9763A/en