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
CA639839A
Inventor
Garwin Leo
W. Roach Jack
E. Hutchison Kenton
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.)
KERR-MCGEE OIL INDUSTRIES
Original Assignee
KERR-MCGEE OIL INDUSTRIES
Publication date
Application grantedgrantedCritical
Publication of CA639839ApublicationCriticalpatent/CA639839A/en