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 William Meischke-Smith, Georgius Franci Meischke-SmithfiledCriticalWilliam Meischke-Smith
Application grantedgrantedCritical
Publication of AT17339BpublicationCriticalpatent/AT17339B/de