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
CA819483A
Inventor
H. Mercier Jacques
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.)
Olaer Patent Co
Original Assignee
Olaer Patent Co
Publication date
Application grantedgrantedCritical
Publication of CA819483ApublicationCriticalpatent/CA819483A/en