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Patents > Year granted: 1902 & Applicant person : Leon-Ernest Lachat or None

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LTA (11) · None (10) · propulsion (8) · navigation (8) · propeller (7) · balloon (6) · fun (6) · frame (6) · parachute (5) · whole (4) · kite (4) · subsystem (4) · marine (3) · design (3)
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