Patent FR1123333A successfully refreshed from Google Patents.
FR1123333A
Expired / Lapsed
FR
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Electro-static loudspeaker
Assignee: Audax Industries SA
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Filing: 1955-03-08
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Granted: 1956-09-20
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Expires: 1975-03-08
Abstract
No abstract record available.
Inventors
- 👤 Siegfried Klein
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-25 17:53
CPC Classifications
H; H04; H04R; H04R19/00; H04R19/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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