FR802837A
Expired / Lapsed
FR
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Loudspeaker enhancements
Assignee: Irle
•
Filing: 1935-06-05
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Granted: 1936-09-16
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Expires: 1955-06-05
Abstract
No abstract record available.
Inventors
- 👤 Irle
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 22:50
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/20; H04R1/32; H04R1/34; H04R1/345; H04R7/00; H04R7/02; H04R7/12; H04R7/122
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References Cited (Backward Citations)
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