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
AU15877/34A
Inventor
De Graaff Antonius
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NVfiledCriticalPhilips Gloeilampenfabrieken NV
Publication of AU1587734ApublicationCriticalpatent/AU1587734A/en
AU15877/34A1934-01-10Improvements in or relating to methods of manufacturing filaments for electric incandescent lamps or discharge tubes
ExpiredAU1587734A
(en)