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
CA823035A
Inventor
J. Corini Louis
Brodsky Benjamin
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.)
Progressive Metal Equipment Inc
Original Assignee
Progressive Metal Equipment Inc
Publication date
Application grantedgrantedCritical
Publication of CA823035ApublicationCriticalpatent/CA823035A/en