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
CA660331A
Inventor
Granelli Pietro
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.)
SOC INTERNAZIONALE FONOVISIONE
Original Assignee
SOC INTERNAZIONALE FONOVISIONE
Publication date
Application grantedgrantedCritical
Publication of CA660331ApublicationCriticalpatent/CA660331A/en