Drilldown: Patents

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Patents > Filing date: October 1909 & Number of claims: 2-4

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propulsion (11) · LTA (9) · airplane (8) · None (7) · design (6) · propeller (6) · subsystem (4) · stability (4) · balloon (4) · propellers (3) · navigation (3) · frame (3) · whole (3) · construction (3) · control (2) · rudder (2) · Dirigible (2) · jet (2) · marine (2)
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Showing below up to 37 results in range #1 to #37.

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