DE596390C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Electrostrictive sound reproducer
Assignee: GEORG STRUTH DR
•
Filing: 1932-05-11
•
Granted: 1934-05-02
•
Expires: 1952-05-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-29 01:04
CPC Classifications
H; H04; H04R; H04R19/00; H04R19/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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