AT681BAT681DAAT681BAT 681 BAT681 BAT 681BAT 681D AAT681D AAT 681DAAT 681 BAT681 BAT 681B
Authority
AT
Austria
Application number
Inventor
Frederick Lamplough
Original Assignee
Frederick Lamplough
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 Frederick LamploughfiledCriticalFrederick Lamplough
Application grantedgrantedCritical
Publication of AT681BpublicationCriticalpatent/AT681B/de