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
CA736712A
Inventor
R. Spitaleri Vernon
Mangus George
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.)
KNIGHT NEWSPAPERS
Original Assignee
KNIGHT NEWSPAPERS
Publication date
Application grantedgrantedCritical
Publication of CA736712ApublicationCriticalpatent/CA736712A/en