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
CA840927A
Inventor
B. Grekila Richard
J. Knochel William
Ho Shih-Ming
C. M. Lin Francis
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.)
CBS Corp
Original Assignee
Westinghouse Electric Corp
Publication date
Application grantedgrantedCritical
Publication of CA840927ApublicationCriticalpatent/CA840927A/en