FR848062A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to aerial propellers
Assignee: Robert Zoelly
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Filing: 1938-12-27
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Granted: 1939-10-23
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Expires: 1958-12-27
Abstract
No abstract record available.
Inventors
- 👤 Robert Zoelly
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 23:35
CPC Classifications
B; B64; B64D; B64D15/00; B64D15/12
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References Cited (Backward Citations)
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