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Patents > Office : DE or ES & CPCs : CPC B64C39/005 or None & Number of figures: None

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Office: (Click arrow to add another value)
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Applicant person:
None (269) · Leonardo Torres Quevedo (4) · Louis Constantin (4) · Alfred E. Wunderlich (3) · Antoine-Padoue Filippi (3) · Charles Denniston Burney (3) · Comte Antoine Apraxine (2) · Cosimo Canovetti‎ (2) · Enrique Sanchis (2) · Orville Wright (2) · Nazaire Lacrotte (2) · Franz Schneider (2) · George Raymond Lawrence (2) · Louis Brennan (2) · Joseph Wetterwald (2) · Joseph de Pierpont de Burnot (2) · Paul-Nicolas Lucas-Girardville (2) · Jose Pesaña y Piñol (2) · August Riedinger (2)
Applicant is inventor:
Tech fields:
None (164) · LTA (66) · airplane (47) · balloon (35) · propulsion (33) · navigation (30) · design (21) · frame (21) · propellers (21) · stability (21) · subsystem (18) · propeller (17) · gas (15) · instrument (14) · ICE (14) · engine (13) · safety (12) · construction (11) · parachute (11) · motor (10)
Full specification filed date:
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Supplementary to patent:
None (328) · Patent BE-1913-253298 (2) · Patent GB-1911-29012 (2) · Patent ES-1911-50435 (2) · Patent BE-1910-Hervieu-hangar (2) · Patent DE-1907-194166 (2)
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National tech categories:
None (312) · DE 77 (16) · DE 77h (12) · DE 77h.5 (10) · DE 77h.15 (7) · DE 77h.4 (6) · DE 77h.3 (5) · DE 77h.6 (4) · DE 46c.5 (4) · DE 77h.9 (3) · DE 42c.41 (2) · DE 42c.39 (2) · DE 46b (2) · DE 46c (2)
CPCs: (Click arrow to add another value)
First filing:
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