DE915460C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Loudspeaker combination with a uniform sound field
Assignee: Individual
•
Filing: 1948-10-03
•
Granted: 1954-07-22
•
Expires: 1968-10-03
Abstract
No abstract record available.
Inventors
- 👤 Alexander Schaaf
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-03 09:35
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/20; H04R1/32; H04R1/323
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1866831A
Cited
DE607668C
Cited
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