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
CA883464A
Inventor
Ralph A. Landrum, Jr.
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.)
Amoco Canada Petroleum Co Ltd
Original Assignee
Amoco Canada Petroleum Co Ltd
Publication date
Application grantedgrantedCritical
Publication of CA883464ApublicationCriticalpatent/CA883464A/en