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
CA697722A
Inventor
Yurevich Leo
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.)
Neiman Steel Equipment Co Inc
Original Assignee
Neiman Steel Equipment Co Inc
Publication date
Application grantedgrantedCritical
Publication of CA697722ApublicationCriticalpatent/CA697722A/en