FR506097A
Expired / Lapsed
FR
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Device for obtaining stereoscopic effects in black and color cinematographic projections
Assignee: FREDERIC LEHNHOFF WYLD
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Filing: 1919-01-15
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Granted: 1920-08-13
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Expires: 1939-01-15
Abstract
No abstract record available.
Inventors
- 👤 Frederic Lehnhoff-Wyld
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-27 22:12
CPC Classifications
G; G03; G03B; G03B35/00; G03B35/18; G03B35/20
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