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Patents > Inventor country: HU & Supplementary to patent : Patent GB-1913-21688 or None

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Office:
Inventors:
None (8) · Heinrich Bier (6) · Oszkár Asbóth (6) · Eduard Penkala (5) · Rudolf Penkala (4) · Emanuel Kalisch (4) · Dőry Béla Jobaházi (4) · Árpád Zigány (3) · Max Hinek (3)
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Applicant person:
None (11) · Heinrich Bier (6) · Eduard Penkala (5) · Dőry Béla Jobaházi (4) · Emanuel Kalisch (4) · Oszkár Asbóth (4) · Rudolf Penkala (4) · Árpád Zigány (3)
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Applicant is inventor:
Tech fields:
airplane (73) · Propellers (47) · design (36) · propulsion (29) · stability (27) · subsystem (26) · wings (22) · lift (21) · construction (20) · frame (17) · automatic stability (16) · steering (15) · aerodynamics (15) · Whole (14) · control (14) · helicopter (13) · LTA (11) · airship (11) · monoplane (9) · hybrid (9)
Full specification filed date:
Application number:
None (59) · 55432 (2)
Granted:
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Related to aircraft:
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Cites these patents:
Citations from after 1930:
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