ES49675A1 -
An improved process for the manufacture of metallic filaments for incandescent electric lamps by means of the corresponding furnace.
- Google Patents
An improved process for the manufacture of metallic filaments for incandescent electric lamps by means of the corresponding furnace.
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.)
Frenzen Carl
WC Heraus GmbH and Co KG
Original Assignee
Frenzen Carl
WC Heraus GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Frenzen Carl, WC Heraus GmbH and Co KGfiledCriticalFrenzen Carl
Priority to ES49675ApriorityCriticalpatent/ES49675A1/en
Publication of ES49675A1publicationCriticalpatent/ES49675A1/en
ES49675A1911-01-181911-01-18
An improved process for the manufacture of metallic filaments for incandescent electric lamps by means of the corresponding furnace.
ExpiredES49675A1
(en)