Drilldown: Patents

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Patents > Office: CH & Related to aircraft : 0? or 1911-07-04 or Yes

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frame (8) · Airplane (8) · LTA (8) · stability (7) · design (7) · subsystem (5) · propellers (5) · propulsion (5) · propeller (3) · Automatic stability (3) · HTA (3) · construction (3) · rudder (2) · elasticity (2) · Wings (2) · Helicopter (2) · cables (2) · Whole (2) · balloon (2) · compartments (2)
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Showing below up to 27 results in range #1 to #27.

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