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 B H DowsefiledCriticalWilliam B H Dowse
Application grantedgrantedCritical
Publication of AT10920BpublicationCriticalpatent/AT10920B/de
