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
CA719066A
Inventor
O. Walters Earl
E. Welch Bernarr
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.)
Western Pine Association
Original Assignee
Western Pine Association
Publication date
Application grantedgrantedCritical
Publication of CA719066ApublicationCriticalpatent/CA719066A/en