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 Hermann StranzingerfiledCriticalHermann Stranzinger
Priority to AT83067ApriorityCriticalpatent/AT267821B/de
Priority to NL6801097Aprioritypatent/NL6801097A/xx
Priority to FR1551836Dprioritypatent/FR1551836A/fr
Priority to CH126968Aprioritypatent/CH463300A/de
Priority to US700797Aprioritypatent/US3522618A/en
Priority to DE19681556457prioritypatent/DE1556457A1/de
Priority to DEST22192Uprioritypatent/DE1988924U/de
Priority to GB4466/68Aprioritypatent/GB1214041A/en
Application grantedgrantedCritical
Publication of AT267821BpublicationCriticalpatent/AT267821B/de