Drilldown: Patents

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Patents > Year filed: 1912 & Office : DE or IT or Other & Inventors : George Hoedt or None & Patent agent : Dupont et Elluin or None

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airplane (10) · None (7) · design (7) · construction (7) · frame (6) · Airship (5) · chassis (4) · wheels (3) · propulsion (2) · LTA (2) · wings (2) · control (2)
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Showing below up to 26 results in range #1 to #26.

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