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.)
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.)
Trans Lux Daylight Picture Screen Corp
Original Assignee
Frank E Halloran
Trans Lux Daylight Picture Screen Corp
Publication date
Application grantedgrantedCritical
Publication of CA314891ApublicationCriticalpatent/CA314891A/en