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
CA866869A
Inventor
Schneider-Arnoldi Alfred
Kandler Joachim
Gabler Hellmut
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 CA866869ApublicationCriticalpatent/CA866869A/en