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Patents > National tech categories : AU 90.3 or DE 77h.5 & Number of figures: 5-20

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Office:
Inventors:
None (11) · Rumpler-Werke G.m.b.H. in Berlin-Johannisthal (3) · Thomas Augustus Dring (2) · Louis Blériot (2) · Rumpler-Werke A.-G. in Berlin-Johannisthal (2) · Ernst Heinkel‎ (2) · Glenn Hammond Curtiss (2) · Anton Flettner (2)
Inventor country:
Applicant person:
None (31) · Anton Flettner (2) · Ernst Heinkel‎ (2)
Applicant type:
Applicant is inventor:
Tech fields:
airplane (41) · frame (31) · design (18) · whole (12) · wings (11) · stability (11) · propulsion (10) · control (9) · propeller (9) · airfoil (9) · Tragfläche (9) · biplane (8) · construction (8) · safety (5) · marine (5) · aerodynamics (5) · fuselage (5)
Full specification filed date:
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First filing:
Citations from after 1930:
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