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Patents > Filing date: 1910 & Grant date: 1910 - 1919 & CPCs : CPC B64C2700/6235 or CPC B64C2700/6274 or CPC B64C35/00

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None (3) · Carl Hanschke (2) · Wilhelm Kress (2) · Henri Fabre (2) · Francesco Filiasi (2) · Gustav Mees (2) · Alexander Horton (2)
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None (3) · Carl Hanschke (2) · Wilhelm Kress (2) · Gustav Mees (2) · Francesco Filiasi (2) · Henri Fabre (2) · Alexander Horton (2)
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None (17) · airplane (15) · propellers (7) · control (6) · design (5) · Propulsion (5) · stability (4) · construction (4) · Hybrid (4) · safety (3) · whole (3) · wires (3) · hydroplane (3) · helicopter (3)
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