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 John James Grundy, Edward Maynard, George MaynardfiledCriticalJohn James Grundy
Application grantedgrantedCritical
Publication of AT4521BpublicationCriticalpatent/AT4521B/de