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
CA614648A
Inventor
Kellner Wilhelm
W. Leupold Curt
Hellmuth Johanna
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.)
VP Schickedanz AG
Original Assignee
Vereinigte Papierwerke Schickedanz and Co
Publication date
Application grantedgrantedCritical
Publication of CA614648ApublicationCriticalpatent/CA614648A/en