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
CA757472A
Inventor
F. Pezzoli Arthur
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.)
Dietz Machine Works Inc
Original Assignee
Dietz Machine Works Inc
Publication date
Application grantedgrantedCritical
Publication of CA757472ApublicationCriticalpatent/CA757472A/en