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
CA694246A
Inventor
Jr. Forrest F. Craig
Grekel Howard
L. Hujsak Karol
Original Assignee
Pan American Petroleum Corp
Publication date
Application grantedgrantedCritical
Publication of CA694246ApublicationCriticalpatent/CA694246A/en