Patent DE587591C successfully refreshed from Google Patents.
DE587591C
Expired / Lapsed
DE
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Process for producing an optical modulator by photographic reproduction
Assignee: Siemens and Halske AG
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Filing: 1931-08-27
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Granted: 1933-11-06
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Expires: 1951-08-27
Abstract
No abstract record available.
Inventors
- 👤 Dr Waldemar Ewald
- 👤 Otto Stockhaus
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-27 09:22
CPC Classifications
H; H03; H03B; H03B17/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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