Drilldown: Patents

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Patents > Year granted: 1919 & First filing: None & Citations from after 1930: None

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airplane (16) · Construction (9) · LTA (9) · airship (9) · frame (9) · subsystem (8) · Instrument (6) · cooling (4) · navigation (4) · safety (4) · fuselage (4) · gas (4) · propellers (4) · Design (4) · Wings (4) · biplane (3) · control (3) · military (3) · texture (3)
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Showing below up to 53 results in range #1 to #53.

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