Drilldown: Patents

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Patents > Inventor country: RO & Applicant is inventor : No or Yes & Cites these patents: None & Citations from after 1930: None

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Tech fields:
airplane (20) · design (15) · propellers (14) · wings (13) · construction (13) · aerodynamics (9) · frame (8) · fuselage (7) · control (6) · None (6) · landing (5) · stability (5) · sustentation (4) · steering (4) · chassis (3) · wheels (3) · rudder (3) · propulsion (3) · nervure (3)
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