Patent US4187470A successfully refreshed from Google Patents.
Patent DE707669C successfully refreshed from Google Patents.
DE707669C
Expired / Lapsed
DE
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Device for measuring the color of lighting
Assignee: IG Farbenindustrie AG
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Filing: 1937-12-05
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Granted: 1941-06-30
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Expires: 1957-12-05
Abstract
No abstract record available.
Inventors
- 👤 Dipl-Ing Karl Van Briessen
- 👤 Dr John Eggert
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-03 17:25
CPC Classifications
G; G01; G01J; G01J3/00; G01J3/46; G01J3/50; G01J3/51; G01J3/513
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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