AT457BAT457DAAT457BAT 457 BAT457 BAT 457BAT 457D AAT457D AAT 457DAAT 457 BAT457 BAT 457B
Authority
AT
Austria
Application number
Inventor
Peter Archibald Joseph Head
Original Assignee
Peter Archibald Joseph Head
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 Peter Archibald Joseph HeadfiledCriticalPeter Archibald Joseph Head
Application grantedgrantedCritical
Publication of AT457BpublicationCriticalpatent/AT457B/de