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Patents > Office: HU & Number of figures: 6-8

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Office: (Click arrow to add another value)
Inventors:
None (12) · Hermann Ruthenberg (2)
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Applicant person:
None (12) · Hermann Ruthenberg (2)
Applicant is inventor:
Tech fields:
airplane (33) · design (20) · propellers (14) · subsystem (14) · construction (14) · whole (12) · Frame (11) · wings (9) · propulsion (9) · stability (9) · Control (9) · Aerodynamics (9) · Airship (9) · steering (5) · Equilibrium (5) · biplane (5) · Automatic stability (5) · LTA (5) · lift (5)
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None (13)
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Related to aircraft:
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Cites these patents:
Citations from after 1930:
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