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.)
General Electric Canada Co
Koninklijke Philips NV
Original Assignee
Canadian General Electric Co Ltd
Philips Gloeilampenfabrieken NV
Publication date
Application grantedgrantedCritical
Publication of CA337630ApublicationCriticalpatent/CA337630A/en