AT976BAT976DAAT976BAT 976 BAT976 BAT 976BAT 976D AAT976D AAT 976DAAT 976 BAT976 BAT 976B
Authority
AT
Austria
Application number
Inventor
Walter Ruttenberg
Matthys Van Zanten
Original Assignee
Walter Ruttenberg
Matthys Van Zanten
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 Walter Ruttenberg, Matthys Van ZantenfiledCriticalWalter Ruttenberg
Application grantedgrantedCritical
Publication of AT976BpublicationCriticalpatent/AT976B/de