AT741BAT741DAAT741BAT 741 BAT741 BAT 741BAT 741D AAT741D AAT 741DAAT 741 BAT741 BAT 741B
Authority
AT
Austria
Application number
Inventor
Arthur Charles Thomas
Joseph Edward Atkinson
Original Assignee
Arthur Charles Thomas
Joseph Edward Atkinson
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 Arthur Charles Thomas, Joseph Edward AtkinsonfiledCriticalArthur Charles Thomas
Application grantedgrantedCritical
Publication of AT741BpublicationCriticalpatent/AT741B/de