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Patents > National tech categories: FR 6.4 & CPCs: CPC B64C23/005 & Number of text pages: 2-3

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Inventors:
Gustav Mees (4) · Charles Wolf (3) · Jean Desbois (3) · Jane-Françoise-Mathilde Giraud (2) · Alvaro Da Cunha (2) · Maurice-Achille Lécuyer (2)
Inventor country:
Applicant person:
Charles Wolf (3) · Jean Desbois (3) · Gustav Mees (3) · None (2) · Jane-Françoise-Mathilde Giraud (2) · Alvaro Da Cunha (2) · Maurice-Achille Lécuyer (2)
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Tech fields:
airplane (30) · hybrid (18) · Propulsion (17) · design (16) · helicopter (14) · ascension (13) · propellers (13) · None (11) · Lift (9) · frame (8) · wings (8) · construction (8) · Control (6) · Sustentation (6) · aerodynamics (5) · stability (5)
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None (2)
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