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
CA660730A
Inventor
Vladimir N. Mackiw
Vasyl Kunda
David J. I. Evans
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.)
Viridian Inc Canada
Original Assignee
Sherritt Gordon Mines Ltd
Publication date
Application grantedgrantedCritical
Publication of CA660730ApublicationCriticalpatent/CA660730A/en