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
CA733875A
Inventor
B. Bahnsen Erwin
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.)
Georgia Pacific Building Materials Ltd
Original Assignee
Georgia Pacific Paper of Canada Ltd
Publication date
Application grantedgrantedCritical
Publication of CA733875ApublicationCriticalpatent/CA733875A/en