Patent FR842064A successfully refreshed from Google Patents.
FR842064A
Expired / Lapsed
FR
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Helicopter training
Assignee: Raoul Hafner
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Filing: 1938-08-13
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Granted: 1939-06-05
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Expires: 1958-08-13
Abstract
No abstract record available.
Inventors
- 👤 Raoul Hafner
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-06 15:32
CPC Classifications
B; B64; B64C; B64C27/00; B64C27/82
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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