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 Felix De Brandel, Armand De Baudry D AssonfiledCriticalFelix De Brandel
Application grantedgrantedCritical
Publication of AT13693BpublicationCriticalpatent/AT13693B/de