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
CA788571A
Inventor
Lebel Pierre
Driffort Jean-Pierre
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.)
Compagnie Francaise de Television SA
Original Assignee
Compagnie Francaise de Television SA
Publication date
Application grantedgrantedCritical
Publication of CA788571ApublicationCriticalpatent/CA788571A/en