Drilldown: Patents

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Patents > IPCs : IPC B64C27/04 or IPC F41A5/12 & Family year: 1910 - 1919

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Office:
Inventors:
Édouard-Jean Bigourdan (5) · Alexis Beurrier (5) · None (4) · Louis Lacoin (3) · Jesse James Dillon (2) · Edmond-Louis Douhéret (2)
Inventor country:
Applicant person:
Alexis Beurrier (5) · None (3) · Louis Lacoin (3) · Édouard-Jean Bigourdan (3) · Jesse James Dillon (2) · Edmond-Louis Douhéret (2)
Applicant type:
Applicant is inventor:
Tech fields:
helicopter (27) · hybrid (11) · Ascension (9) · propellers (7) · None (7) · Airplane (6) · propulsion (6) · heavier-than-air (4) · Design (4) · sustentation (4)
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None (2)
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Cites these patents:
Citations from after 1930:
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Showing below up to 48 results in range #1 to #48.

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