Patent FR-1920-502877

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Year filed 1916
Year granted 1920
Office FR
Patent number 502877
Inventors Armand Dufaux
Inventor country FR, CH
Applicant person
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Original title Système d'aéroplane avec hélice disposée à l'arrière des ailes, au milieu du fuselage et concentriquement à son axe
English title Airplane with propeller behind wings, concentric with axis of fuselage
Tech fields airplane, design, propeller
Filing date 1916-05-05
Full specification filed date
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Grant date 1920-03-03
Granted? 1
Publication date 1920-05-28
Supplementary to patent
Related to aircraft? 1
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Patent agent Armengaud jeune
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National tech categories FR 6.4
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Cites these patents
Citations from after 1930
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