Patent FR-1873-94421E

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Year filed
Year granted 1873
Office FR
Patent number 94421
Inventors Fillet
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Applicant person
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Applicant type INDIV
Applicant is inventor? 1
Original title Roue à palettes obliques pour la direction des aérostats ou ballons
English title Wheel of oblique blades for directing aerostats or balloons
Tech fields LTA, balloon, navigation, propeller
Filing date 1872-03-05?
Full specification filed date
Application number
Grant date 1873-01-21
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? 1
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Cites these patents
Citations from after 1930
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