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Patents > Grant date: 1900 - 1909 & IPCs : IPC B64B1/62 or IPC B64C27/04

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Office:
Inventors:
Désiré Sival (3) · None (2) · Émile Dupont (2) · Paul Cornu (2) · Mario Schiavone (2) · Jules Collomb (2) · Jules Cornu (2) · Edwin Richard Mumford (2)
Inventor country:
Applicant person:
Désiré Sival (3) · None (2) · Edwin Richard Mumford (2) · Jules Collomb (2) · Jules Cornu (2) · Mario Schiavone (2) · Émile Dupont (2)
Applicant is inventor:
Tech fields:
helicopter (17) · LTA (11) · Propulsion (8) · propellers (8) · airplane (8) · None (7) · navigation (6) · Ascension (5) · stability (4) · Lift (3) · wheels (2) · Balloons (2) · Construction (2) · Design (2) · hydrogen (2) · hybrid (2) · Aerostat (2) · gas (2) · heavier-than-air (2)
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None (2)
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Citations from after 1930:
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