Legal status (The legal status 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 status listed.)
Expired
Application number
CA814990A
Inventor
Bauer Heinrich
Sontag Hans-Jorgen
Zeppelzauer Franz
Romgens Hans
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Deutsche Vetaphone Gesellschaft fur Elektronische Gerate Mbh
Rheinische Blattmetall AG
Original Assignee
Deutsche Vetaphone Gesellschaft fur Elektronische Gerate Mbh
Rheinische Blattmetall AG
Publication date
Application grantedgrantedCritical
Publication of CA814990ApublicationCriticalpatent/CA814990A/en