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
CA852013A
Inventor
E. Stauffer Robert
Original Assignee
Jeffrey Galion Manufacturing Co
Publication date
Application grantedgrantedCritical
Publication of CA852013ApublicationCriticalpatent/CA852013A/en