FR937835A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Devices for the transmission or reception of electromagnetic waves at ultra-high frequencies
Assignee: AT&T Inc
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Filing: 1946-12-12
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Granted: 1948-08-27
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Expires: 1966-12-12
Abstract
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Inventors
No inventors recorded.
Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 12:10
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/12; H01Q3/14; H01Q13/00; H01Q13/20; H01Q13/28; H01Q21/00; H01Q3/01
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