Drilldown: Patents

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Patents > Inventor country: AH & Granted: Yes

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LTA (13) · Propulsion (11) · frame (10) · navigation (9) · airplane (8) · subsystem (8) · aerodynamics (5) · Whole (5) · balloon (5) · Propellers (5) · dirigible (4) · kite (4) · propeller (4)
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