FR630039A
Expired / Lapsed
FR
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Spectacle glass with a protective screen against dazzling light rays and its manufacturing process
Assignee: Valentin Marlins
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Filing: 1927-03-01
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Granted: 1927-11-22
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Expires: 1947-03-01
Abstract
No abstract record available.
Inventors
- 👤 Valentin Marlins
- 👤 Lucien Champert
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-30 22:12
CPC Classifications
G; G02; G02C; G02C7/00; G02C7/10; G02C7/105
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