CH325519A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Device set up for sound reproduction with at least two loudspeakers in different directions
Assignee: Zoellig Karl
•
Filing: 1954-12-01
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Granted: —
•
Expires: 1974-12-01
Abstract
No abstract record available.
Inventors
- 👤 Zoellig Karl
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-10-27 07:56
CPC Classifications
H; H04; H04R; H04R5/00; H04R5/02
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Total Claims: 0
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References Cited (Backward Citations)
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