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
CA715212A
Inventor
H. Rosenbrock Howard
J. Jiskoot Joost
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.)
Worley Field Services Ltd
Original Assignee
Constructors John Brown Ltd
Publication date
Application grantedgrantedCritical
Publication of CA715212ApublicationCriticalpatent/CA715212A/en