FR767064A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Device improving the aerodynamic efficiency of airplane wings
Assignee: Maurice Berthaume
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Filing: 1933-12-09
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Granted: 1934-07-09
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Expires: 1953-12-09
Abstract
No abstract record available.
Inventors
- 👤 Maurice Berthaume
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-02 22:37
CPC Classifications
B; B64; B64C; B64C23/00
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References Cited (Backward Citations)
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