DE860992C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Acoustic guidance device for the blind that works according to the echo sounder method
Assignee: Atlas Werke AG
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Filing: 1948-10-02
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Granted: 1955-03-21
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Expires: 1968-10-02
Abstract
No abstract record available.
Inventors
- 👤 Willy Dr Kunze
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-25 01:26
CPC Classifications
G; G09; G09B; G09B21/00; G09B21/001; G09B21/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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