FR940348A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvement in projection devices
Assignee: Andre Victor-Leon-Cleme Debrie
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Filing: 1947-02-05
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Granted: 1948-12-09
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Expires: 1967-02-05
Abstract
No abstract record available.
Inventors
- 👤 Andre Victor-Leon-Cleme Debrie
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 03:03
CPC Classifications
G; G03; G03B; G03B1/00; G03B1/42
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References Cited (Backward Citations)
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