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Patents > Filing date: January 1909 & IPCs : IPC B64C17/00 or None

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None (2) · Friedrich Kopsch (2) · Todd Churchill Woodworth (2) · Ottó Krausz (2)
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None (16) · airplane (9) · navigation (7) · LTA (7) · design (4) · stability (4) · propeller (4) · parachute (4) · frame (4) · wheels (3) · propulsion (3) · propellers (3) · dirigible (3) · wings (3) · car (3)
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Showing below up to 43 results in range #1 to #43.

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