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
Inventor
Alf Fritz
Brill Wolfgang
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 GmbH
Original Assignee
VARTA GmbH
Publication date
Application grantedgrantedCritical
Publication of CA901648ApublicationCriticalpatent/CA901648A/en