Drilldown: Patents

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Patents > Year granted: 1903 & Applicant person: None

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Alfred Chiodera (5) · Howard de Walden (2) · Hans Knudsen (2)
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LTA (22) · None (11) · balloon (10) · propeller (8) · gas (7) · propulsion (6) · car (6) · subsystem (5) · parachute (5) · frame (4) · toy (4) · pressure (4) · navigation (4) · fun (4) · whole (4) · rudder (3) · safety (3)
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