Drilldown: Patents

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Patents > Assigned to: None & National tech categories: None & Family year: 1800 - 1899 & Number of figures: 1-2

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propeller (5) · propulsion (5) · LTA (4) · rudder (3) · Propellers (3) · hybrid (3) · parachute (3) · None (3) · paddle-wheels (3) · stability (2) · servomotors (2) · marine propulsion (2) · hand tools (2) · airplane (2) · Water-wheel (2) · balloon (2) · wheels (2) · safety (2)
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Showing below up to 34 results in range #1 to #34.

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