FR696673A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
New polarizer device
Assignee: Charles-Rene Lapicque
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Filing: 1930-06-05
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Granted: 1931-01-06
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Expires: 1950-06-05
Abstract
No abstract record available.
Inventors
- 👤 Charles-Rene Lapicque
- 👤 Louis-Michel Revon
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-25 19:21
CPC Classifications
G; G02; G02B; G02B5/00; G02B5/30; G02B5/3025; G02B5/3033
Claims Analysis
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References Cited (Backward Citations)
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