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FR937935A
Expired / Lapsed
FR
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Polarized glasses
Assignee: Jean-Marie-Anne Brizon
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Filing: 1946-12-13
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Granted: 1948-08-31
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Expires: 1966-12-13
Abstract
No abstract record available.
Inventors
- 👤 Jean-Marie-Anne Brizon
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-05 09:01
CPC Classifications
G; G02; G02C; G02C7/00; G02C7/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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