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
CA675422A
Inventor
Marzillier Frederick
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.)
Marrick Manufacturing Co Ltd
Original Assignee
Marrick Manufacturing Co Ltd
Publication date
Application grantedgrantedCritical
Publication of CA675422ApublicationCriticalpatent/CA675422A/en