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Patents > Filing date: 1913 & IPCs : IPC B64C23/00 or IPC B64C35/00

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hydroplane (19) · hydroaeroplane (15) · design (15) · airplane (12) · landing (8) · buoyancy (7) · wheels (6) · aerodynamics (6) · takeoff (5) · hybrid (5) · frame (5) · sustentation (4) · propulsion (4) · floats (4) · None (4) · wings (3) · marine (3) · subsystem (3) · hydrodynamics (3)
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Showing below up to 47 results in range #1 to #47.

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