Drilldown: Patents
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aerodynamics (1) ·
airfoil (1) ·
Airplane (2) ·
Ascension (2) ·
ball bearings (1) ·
blades (1) ·
Buoyancy (1) ·
cables (1) ·
control (1) ·
design (2) ·
frame (1) ·
instrument (1) ·
lift (1) ·
LTA (1) ·
propeller (1) ·
propellers (1) ·
propulsion (2) ·
Rarefaction (2) ·
Steering (1) ·
subsystem (2) ·
sustentation (4) ·
texture (1) ·
wings (1)
Filing date:
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Publication date:
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IPCs:
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Cites these patents:
Citations from after 1930:
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