Drilldown: Patents

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Patents > Applicant person: None & First filing: None & Number of figures: 9-10

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frame (11) · navigation (10) · propeller (9) · airplane (8) · design (8) · LTA (7) · propulsion (7) · helicopter (6) · takeoff (5) · balloon (4) · hybrid (3) · heavier-than-air (3) · marine (3) · wheels (3) · car (3) · aluminum (3)
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