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Patents > Office : MX or Other or None & Inventor country : FR or HU & National tech categories: HU V/h

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Office: (Click arrow to add another value)
Inventors:
None (12) · Dőry Béla Jobaházi (4) · Oszkár Asbóth (4) · Antoine-Padoue Filippi (4) · Árpád Zigány (3) · Eduard Penkala (3)
Inventor country: (Click arrow to add another value)
Applicant person:
None (14) · Dőry Béla Jobaházi (4) · Oszkár Asbóth (4) · Antoine-Padoue Filippi (3) · Árpád Zigány (3) · Eduard Penkala (3)
Applicant is inventor:
Tech fields:
airplane (80) · Design (47) · propellers (47) · subsystem (34) · stability (30) · Construction (25) · Wings (24) · Propulsion (23) · frame (21) · automatic stability (21) · aerodynamics (20) · whole (19) · Airship (19) · lift (14) · LTA (13) · Helicopter (12) · Control (12) · steering (11) · Dirigibles (9) · equilibrium (8)
Full specification filed date:
Application number:
None (29) · 55432 (2)
Granted:
Supplementary to patent:
None (115) · Patent FR-1909-403985 (2) · Patent FR-1909-399456 (2)
Related to aircraft:
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Citations from after 1930:
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