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
CA820721A
Inventor
E. Anderson William
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.)
Riegel Paper Corp
Original Assignee
Riegel Paper Corp
Publication date
Application grantedgrantedCritical
Publication of CA820721ApublicationCriticalpatent/CA820721A/en