DE970228C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Sound emitter with spatial reproduction
Assignee: Individual
•
Filing: 1937-08-26
•
Granted: 1958-08-28
•
Expires: 1957-08-26
Abstract
No abstract record available.
Inventors
- 👤 Ing Karl Nowak
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-07 03:55
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/20; H04R1/32; H04R1/34; H04R1/345
Claims Analysis
Total Claims: 0
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