Patent FR-1871-91409

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Year filed
Year granted 1871
Office FR
Patent number 91409
Inventors Maichain
Inventor country FR
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Original title hélice aérienne
English title aerial blade
Tech fields propulsion
Filing date 1871-01-12
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Supplementary to patent
Related to aircraft? Yes
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National tech categories FR 5
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Cites these patents
Citations from after 1930
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Sources

  • INPI France
  • Brevet d'invention de 15 ans
  • Inventor location: Paris (8, rue de la Michodière, Seine)