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.)
ES THOMSON-HOUSTON
Compagnie Francaise Thomson Houston SA
Original Assignee
ES THOMSON-HOUSTON
Compagnie Francaise Thomson Houston SA
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Filing date
Publication date
Application filed by ES THOMSON-HOUSTON, Compagnie Francaise Thomson Houston SAfiledCriticalES THOMSON-HOUSTON
Application grantedgrantedCritical
Publication of FR12094EpublicationCriticalpatent/FR12094E/fr
H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
H01K3/02—Manufacture of incandescent bodies
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Engineering & Computer Science
(AREA)
Manufacturing & Machinery
(AREA)
FR12094D1907-01-261910-01-21Nouveau procédé de fabrication du tungstène spécialement applicable à la fabrication de lampes à incandescence
ExpiredFR12094E
(fr)