Drilldown: Patents

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Patents > Year filed: 1900 - 1909 & IPCs : IPC B64B1/00 or IPC B64C25/00 or IPC B64C39/00 & CPCs: CPC B64C39/005

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Propulsion (12) · navigation (8) · Design (5) · airplane (5) · None (4) · safety (4) · Sustentation (3) · stability (3) · parachute (3) · LTA (3) · frame (3) · landing (3) · Construction (3) · airship (3) · Ascension (3) · flying machine (2) · heavier-than-air (2) · orthopter (2)
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Showing below up to 35 results in range #1 to #35.

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