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
CA739011A
Inventor
Muller-Schiedmayer Gunther
Harnisch Heinz
Cremer Joseph
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 CA739011ApublicationCriticalpatent/CA739011A/en