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Patents > Family year: 1910 & Number of diagram pages: 2 & Number of figures: 9-40

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Inventors:
Karl Willems (2) · Wasily Lewitsky (2) · Paul Lyssow (2)
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None (4) · Wasily Lewitsky (2) · Paul Lyssow (2) · Karl Willems (2)
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Tech fields:
Airplane (19) · stability (16) · None (8) · automatic stability (7) · design (7) · frame (6) · wings (6) · propulsion (5) · Propellers (5) · flapping (4) · control (4) · HTA (4) · equilibrium (3) · aerodynamics (3)
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