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Patents > Tech fields: wings & Supplementary to patent : Patent FR-1891-216860 or None & Number of figures: None

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None (3) · Franz Schneider (3) · Ugo Antoni (3) · Guido Antoni (3) · Hermann Ruthenberg (3) · Manfredo Ferrero (2) · Anton Flettner (2) · Louis Blériot (2) · Henry Félix Villard (2) · Godwin Meade Pratt Swift, Viscount of Carlingford (2)
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None (21) · Ugo Antoni (3) · Guido Antoni (3) · Franz Schneider (2) · Louis Blériot (2) · Hermann Ruthenberg (2) · Godwin Meade Pratt Swift, Viscount of Carlingford (2) · Henry Félix Villard (2) · Anton Flettner (2)
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