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
CA663430A
Inventor
F. Muse John
D. Myers William
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.)
Baker Hughes Oilfield Operations LLC
Original Assignee
Baker Oil Tools Inc
Publication date
Application grantedgrantedCritical
Publication of CA663430ApublicationCriticalpatent/CA663430A/en