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
CA778729A
Inventor
Winzer Hermann
Mueller Ferdinand
Kunz Otfried
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.)
Renker Belipa GmbH
Original Assignee
Renker Belipa GmbH
Publication date
Application grantedgrantedCritical
Publication of CA778729ApublicationCriticalpatent/CA778729A/en