FR567539A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to the construction of loudspeaker pavilions
Assignee: Albert Caselli
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Filing: 1923-06-18
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Granted: 1924-03-03
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Expires: 1943-06-18
Abstract
No abstract record available.
Inventors
- 👤 Albert Caselli
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-06 04:34
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/20; H04R1/22; H04R1/30
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References Cited (Backward Citations)
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