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
CA673686A
Inventor
F. Engel 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.)
ENGEL SHEET METAL EQUIPMENT
Original Assignee
ENGEL SHEET METAL EQUIPMENT
Publication date
Application grantedgrantedCritical
Publication of CA673686ApublicationCriticalpatent/CA673686A/en