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Patents > Office : HU or NL & Applicant firm: None

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Tech fields:
airplane (168) · Design (108) · propellers (93) · subsystem (83) · Construction (66) · frame (58) · stability (54) · Airship (53) · wings (51) · Propulsion (50) · Whole (50) · aerodynamics (45) · LTA (43) · automatic stability (31) · lift (26) · Control (25) · Dirigibles (19) · Steering (19) · flapping (19) · Helicopter (18)
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Supplementary to patent:
None (232) · Patent FR-1909-403985 (2) · Patent FR-1909-399456 (2) · Patent US-1903-821393 (2) · Patent AT-1911-57225 (2) · Patent BE-1913-07-12 Joseph de Pierpont de Burnot (2)
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