Drilldown: Patents

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Patents > Year granted: 1899 & Family year: 1800 - 1899 & Number of claims: None

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None (14) · Heinrich Suter (2) · Charles Zimmerman (2) · Edward Zarski (2)
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None (25) · LTA (19) · propulsion (8) · frame (6) · dirigible (6) · Airplane (5) · propeller (5) · design (4) · instrument (4) · balloon (4) · navigation (3) · Aerostat (3) · kite (3) · Dirigibles (2) · airship (2)
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