Drilldown: Patents

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Patents > Year granted: 1910 - 1919 & Office : DE or HU & Family year: 1910 & First filing: Yes

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airplane (12) · design (11) · wings (9) · whole (8) · subsystem (8) · propellers (8) · stability (7) · aerodynamics (5) · automatic stability (5) · propulsion (5) · None (4) · lift (3) · helicopter (3) · Frame (3) · Heavier-than-air (2) · motors (2) · LTA (2) · flapping (2) · sustentation (2)
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Showing below up to 32 results in range #1 to #32.

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