DE894323C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Arrangement for sound reproduction using the optical sound method
Assignee: Zeiss Ikon AG
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Filing: 1949-11-29
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Granted: 1953-10-22
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Expires: 1969-11-29
Abstract
No abstract record available.
Inventors
- 👤 Martin Dr-Ing Ploke
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-05 14:52
CPC Classifications
G; G11; G11B; G11B7/00
Claims Analysis
Total Claims: 0
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