Patent US4143497A successfully refreshed from Google Patents.
Patent FR830389A successfully refreshed from Google Patents.
FR830389A
Expired / Lapsed
FR
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Fractured light reflector
Assignee: Mannheimer
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Filing: 1937-03-20
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Granted: 1938-07-28
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Expires: 1957-03-20
Abstract
No abstract record available.
Inventors
- 👤 Mannheimer
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-05 14:25
CPC Classifications
F; F21; F21V; F21V7/00; F21V7/04
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References Cited (Backward Citations)
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