Drilldown: Patents

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Patents > Year filed: 1890 - 1899 & Office : DE or UN & Number of figures: 6-40

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Inventors:
Richard Czygan (2)
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Tech fields:
LTA (16) · propulsion (11) · None (6) · car (6) · navigation (6) · propeller (5) · frame (5) · balloon (5) · stability (4) · design (3) · ornithopter (2) · kite (2) · control (2) · dirigible (2) · flapping (2)
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Citations from after 1930:
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