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
CA778416A
Inventor
Sennewald Kurt
Hauser Alfred
Gehrmann Klaus
Steil Karl-Heinz
Lork Winfried
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 CA778416ApublicationCriticalpatent/CA778416A/en