CH81980A - Process for making tungsten filaments for electric incandescent lamps - Google Patents

Process for making tungsten filaments for electric incandescent lamps

Info

Publication number: CH81980A
Authority: CH; Switzerland
Prior art keywords: incandescent lamps; electric incandescent; tungsten filaments; making tungsten; making
Prior art date: 1918-12-16

Application number

CH81980A

Other languages

French (fr)

Inventor

Company Westinghouse Lamp

Original Assignee

Westinghouse Lamp Co

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.)

1918-12-16

Filing date

1918-12-16

Publication date

1919-08-16

1918-12-16 Application filed by Westinghouse Lamp Co filed Critical Westinghouse Lamp Co

1919-08-16 Publication of CH81980A publication Critical patent/CH81980A/en

Links

CH81980A 1918-12-16 1918-12-16 Process for making tungsten filaments for electric incandescent lamps CH81980A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH81980T		1918-12-16

Publications (1)

Publication Number	Publication Date
CH81980A true CH81980A (en)	1919-08-16

Family

ID=4336654

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH81980A CH81980A (en)	1918-12-16	1918-12-16	Process for making tungsten filaments for electric incandescent lamps

Country Status (1)

Country	Link
CH (1)	CH81980A (en)

1918
- 1918-12-16 CH CH81980A patent/CH81980A/en unknown

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