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.)
Westinghouse Canada Inc
CBS Corp
Original Assignee
Canadian Westinghouse Co Ltd
Westinghouse Electric and Manufacturing Co
Publication date
Application grantedgrantedCritical
Publication of CA392191ApublicationCriticalpatent/CA392191A/en