Drilldown: Patents

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Patents > Applicant firm: None & Number of text pages: 1-2 & Number of claims: 7

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frame (9) · airplane (8) · propulsion (7) · rudder (5) · propeller (5) · None (4) · safety (4) · parachute (4) · navigation (4) · LTA (4) · heavier-than-air (3) · stability (3) · airfoil (3) · propellers (3) · biplane (3) · landing (3)
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