Drilldown: Patents

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Patents > Year granted: 1880 - 1889 & Office : FI or LU or NL or Other & Family year: 1880

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None (18) · LTA (12) · Navigation (11) · propulsion (8) · balloon (6) · car (4) · ornithopter (4) · stability (3) · rudder (3) · frame (3) · propeller (3) · hand tools (2) · aerostat (2) · airplane (2) · cargo (2)
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Showing below up to 53 results in range #1 to #53.

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