FR791032A
Expired / Lapsed
FR
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Improvements to wireless telephony speakers and receivers
Assignee: Albert Dehout
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Filing: 1935-06-08
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Granted: 1935-12-02
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Expires: 1955-06-08
Abstract
No abstract record available.
Inventors
- 👤 Albert Dehout
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-26 23:23
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/20; H04R1/22; H04R1/28; H04R1/2869; H04R1/2876; H04R1/288; H04R2420/00; H04R2420/07; H04R2499/00; H04R2499/10; H04R2499/11
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References Cited (Backward Citations)
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