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Patents > Grant date: 1880

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None (13) · de Schuttenbach (3) · Albert Livingstone Blackman (3) · Frederick William Brearey (3) · Ernst Georg August Baumgarten (3) · Comte Antoine Apraxine (2)
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None (18) · LTA (12) · Navigation (12) · propulsion (9) · balloon (4) · rudder (3) · aerostat (3) · marine (3) · control (3) · steam (3) · ornithopter (2) · propeller (2) · glider (2) · frame (2) · car (2) · stability (2) · airship (2)
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