FR1102175A
Expired / Lapsed
FR
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Loudspeaker with two opposing motors
Assignee: Georges Gogny
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Filing: 1954-04-01
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Granted: 1955-10-18
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Expires: 1974-04-01
Abstract
No abstract record available.
Inventors
- 👤 Georges Gogny
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-26 01:51
CPC Classifications
H; H04; H04R; H04R9/00; H04R9/02
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