FR504556A - Improvements to electric lamps - Google Patents

Improvements to electric lamps

Info

Publication number
FR504556A
FR504556A FR504556DA FR504556A FR 504556 A FR504556 A FR 504556A FR 504556D A FR504556D A FR 504556DA FR 504556 A FR504556 A FR 504556A
Authority
FR
France
Prior art keywords
electric lamps
lamps
electric
Prior art date
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
Other languages
French (fr)
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.)
Koehler Manufacturing Co
Original Assignee
Koehler Manufacturing 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.)
Filing date
Publication date
Application filed by Koehler Manufacturing Co filed Critical Koehler Manufacturing Co
Application granted granted Critical
Publication of FR504556A publication Critical patent/FR504556A/en
Expired legal-status Critical Current

Links

FR504556D 1919-10-06 1919-10-06 Improvements to electric lamps Expired FR504556A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR504556T 1919-10-06

Publications (1)

Publication Number Publication Date
FR504556A true FR504556A (en) 1920-07-08

Family

ID=43352138

Family Applications (1)

Application Number Title Priority Date Filing Date
FR504556D Expired FR504556A (en) 1919-10-06 1919-10-06 Improvements to electric lamps

Country Status (1)

Country Link
FR (1) FR504556A (en)

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