Drilldown: Patents

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Patents > Grant date: 1890 - 1899 & Number of text pages: 2-4 & Number of figures: 5

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Inventors:
Joseph Hofmann (2)
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None (5)
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Tech fields:
LTA (10) · propulsion (6) · navigation (6) · frame (5) · None (5) · propeller (4) · Windmill (4) · kite (4) · marine (3) · military (3) · marine propulsion (3) · electric (3) · balloon (2) · car (2) · marine propeller (2) · velocipede (2) · ornithopter (2) · railways (2) · dirigible (2) · fabric (2)
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