Drilldown: Patents

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Patents > Year granted: 1900 - 1999 & Inventor country: AH & Granted : No or Yes

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LTA (11) · frame (11) · propulsion (10) · airplane (8) · navigation (8) · subsystem (7) · aerodynamics (5) · Whole (5) · Propellers (5) · kite (5) · balloon (5) · wings (4) · propeller (4) · dirigible (4) · gas (3) · ascension (3) · Design (3) · stability (3) · Airship (3) · HTA (3)
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Showing below up to 41 results in range #1 to #41.

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