FR768022A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Method and apparatus for high-frequency electrical communication ensuring the secrecy of correspondence and avoiding atmospheric disturbances
Assignee: Emanuele Boselli
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Filing: 1934-01-17
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Granted: 1934-07-30
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Expires: 1954-01-17
Abstract
No abstract record available.
Inventors
- 👤 Emanuele Boselli
- 👤 Carlo Carnevali
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 19:51
CPC Classifications
H; H04; H04K; H04K1/00; H04K1/006
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References Cited (Backward Citations)
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