DE1158115B
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Miniature microphone
Assignee: Sennheiser Electronic GmbH and Co KG
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Filing: 1961-10-07
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Granted: —
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Expires: 1981-10-07
Abstract
No abstract record available.
Inventors
- 👤 Hans-Joachim Griese
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-02 11:37
CPC Classifications
H; H04; H04R; H04R11/00; H04R11/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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