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
CA881855A
Inventor
L. Lich Richard
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.)
General Steel Industries Inc
Original Assignee
General Steel Industries Inc
Publication date
Application grantedgrantedCritical
Publication of CA881855ApublicationCriticalpatent/CA881855A/en