FR502318A
Expired / Lapsed
FR
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Electric light advertising device
Assignee: CARL OPPERMANN
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Filing: 1915-01-12
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Granted: 1920-05-11
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Expires: 1935-01-12
Abstract
No abstract record available.
Inventors
- 👤 Carl Oppermann
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 20:51
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/0001; G02B6/0011; G02B6/0081; G02B6/0086; G02B6/0091; G02B6/0075; G02B6/0076
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References Cited (Backward Citations)
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