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Patents > Year filed: 1912 & Applicant firm: None & Patent agent : Herbert Haddan & Co. or Hippolyte Josse or None

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Inventors:
Lin-Marius Mannent (4) · Simon-Louis-Clément Janvier (2) · Louis Constantin (2) · Charles Stévenin (2)
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Lin-Marius Mannent (4) · Simon-Louis-Clément Janvier (2) · Louis Constantin (2) · Charles Stévenin (2)
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airplane (12) · Design (8) · stability (7) · wings (6) · Aerodynamics (6) · toy (4) · Sustentation (4) · parachutes (4) · ornithopter (4) · Steering (3) · parachute (3) · model (3) · lift (3) · landing (3) · None (3)
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