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
CA836729A
Inventor
O. Misare Donald
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.)
Joslyn Manufacturing and Supply Co
Original Assignee
Joslyn Manufacturing and Supply Co
Publication date
Application grantedgrantedCritical
Publication of CA836729ApublicationCriticalpatent/CA836729A/en