Drilldown: Patents

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Patents > Inventor country: US & Applicant person: None & Filing date: 1910 - 1919 & Number of text pages: 3-4 & Number of diagram pages: 2-50000000

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frame (10) · airplane (10) · stability (8) · biplane (8) · design (5) · wheels (5) · LTA (5) · takeoff (4) · rudder (4) · propeller (4) · marine (4) · landing (4) · gas (4) · wings (3) · safety (3) · hydroaeroplane (3) · balloon (3)
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