FR852306A
Expired / Lapsed
FR
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Improvements to folding glasses
Assignee: Eugene Dovergne
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Filing: 1939-03-29
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Granted: 1940-01-30
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Expires: 1959-03-29
Abstract
No abstract record available.
Inventors
- 👤 Eugene Dovergne
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-03 16:14
CPC Classifications
G; G02; G02C; G02C5/00; G02C5/006; G02C5/02; G02C5/08; G02C5/14; G02C5/20
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