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
CA813966A
Inventor
Weiden Hans
Kandler Joachim
Frank Klaus
Dany Franz-Josef
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 CA813966ApublicationCriticalpatent/CA813966A/en