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Patents > Applicant person : John Washington Wadsworth or None & Number of diagram pages: 4

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frame (14) · airplane (13) · propulsion (11) · navigation (7) · flapping (7) · propeller (7) · LTA (6) · marine (6) · hybrid (6) · stability (5) · design (5) · biplane (5) · rudder (5) · safety (4) · wheels (4)
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