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
CA764886A
Inventor
Cremer Joseph
Heymer Gero
Harnisch Heinz
W. H. Kribbe Kurt
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.)
Knapsack AG
Original Assignee
Knapsack AG
Publication date
Application grantedgrantedCritical
Publication of CA764886ApublicationCriticalpatent/CA764886A/en