Drilldown: Patents

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Patents > Year filed: 1913 & First filing: No & Number of text pages: 5-20

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Airplane (15) · stability (13) · None (9) · automatic stability (4) · projectile (3) · military (3) · aerodynamics (3) · hydroaeroplane (2) · airship (2) · control (2) · design (2) · equilibrium (2) · helicopter (2) · navigation (2) · propellers (2)
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Showing below up to 34 results in range #1 to #34.

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