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
CA820017A
Inventor
J. Wheeler Donald
Lohrenz Victor
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.)
Guild Metal Joining Equipment Co
Original Assignee
Guild Metal Joining Equipment Co
Publication date
Application grantedgrantedCritical
Publication of CA820017ApublicationCriticalpatent/CA820017A/en