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
CA647626A
Inventor
A. Hoyer Wilmer
C. Rumble Robert
Original Assignee
Jersey Production Research Co
Publication date
Application grantedgrantedCritical
Publication of CA647626ApublicationCriticalpatent/CA647626A/en