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
CA828829A
Inventor
J. Maurer Cecil
F. Rous Ronald
D. Allum Robin
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.)
HER MAJESTY'S POSTMASTER GENERAL OF GREAT BRITAIN
General Electric Co PLC
Original Assignee
HER MAJESTY'S POSTMASTER GENERAL OF GREAT BRITAIN
General Electric Co PLC
Publication date
Application grantedgrantedCritical
Publication of CA828829ApublicationCriticalpatent/CA828829A/en