Drilldown: Patents

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Patents > Publication date: 1800 - 1899 & National tech categories : USPC 244/151R or None

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Inventors:
Otto Lilienthal (11) · August Riedinger (2) · Louis Capazza (2)
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Tech fields:
None (19) · LTA (14) · navigation (5) · balloon (4) · propulsion (4) · propeller (3) · frame (3) · car (3) · design (3)
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