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Patents > Year filed: 1860 - 1869 & Related to aircraft : 0? or 1911-07-04 or Yes & Number of diagram pages: None

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de Louvrie (2) · Baron de Rovérié de Cabrières (2) · Matthew Piers Watt Boulton (2)
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navigation (15) · balloon (13) · propulsion (11) · LTA (9) · Hybrid (4) · Aerial Navigation (4) · Aerostat (4) · None (3) · marine (3) · Steering (2) · cargo (2) · motors (2) · passenger (2) · flapping (2) · Propellers (2) · propeller (2) · takeoff (2) · avion (2) · steam (2)
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