Drilldown: Patents

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Patents > Year granted: 1910 - 1919 & First filing: None & Number of figures: 7-8

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airplane (13) · propulsion (10) · frame (10) · Propellers (9) · marine (7) · subsystem (6) · stability (6) · navigation (5) · wings (5) · automatic stability (4) · heavier-than-air (4) · whole (4) · safety (4) · design (4) · rudder (4) · propeller (4)
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Showing below up to 48 results in range #1 to #48.

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