CH4051A - Electric light bulb without platinum - Google Patents

Electric light bulb without platinum

Info

Publication number: CH4051A
Authority: CH; Switzerland
Prior art keywords: platinum; light bulb; electric light; electric; bulb
Prior art date: 1891-09-19

Application number

CH4051A

Other languages

German (de)

Inventor

G Dedreux

Original Assignee

G Dedreux

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.)

1891-09-19

Filing date

1891-09-19

Publication date

1892-02-15

1891-09-19 Application filed by G Dedreux filed Critical G Dedreux

1892-02-15 Publication of CH4051A publication Critical patent/CH4051A/en

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH4051T		1891-09-19

Publications (1)

Publication Number	Publication Date
CH4051A true CH4051A (en)	1892-02-15

Family

ID=4186266

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH4051A CH4051A (en)	1891-09-19	1891-09-19	Electric light bulb without platinum

Country Status (1)

Country	Link
CH (1)	CH4051A (en)

1891
- 1891-09-19 CH CH4051A patent/CH4051A/en unknown

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