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
CA677953A
Inventor
Von Dohren Hans-Hermann
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.)
VARTA AG
Original Assignee
VARTA AG
Publication date
Application grantedgrantedCritical
Publication of CA677953ApublicationCriticalpatent/CA677953A/en