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
CA784816A
Inventor
G. Robinson Charles
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.)
Northwestern Steel and Wire Co
Original Assignee
Northwestern Steel and Wire Co
Publication date
Application grantedgrantedCritical
Publication of CA784816ApublicationCriticalpatent/CA784816A/en