Drilldown: Patents

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Patents > Year filed: 1890 - 1899 & Number of figures: 1-2

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Inventors:
Edward Joel Pennington (3) · Estanislao Caballero de los Olivos (2) · August Riedinger (2) · Dr. Bernhard Reinhard Beenen (2) · Rudolf Diesel (2) · Oscar Roeper (2) · Louis Capazza (2)
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Tech fields:
LTA (26) · balloon (14) · propulsion (11) · propeller (10) · frame (10) · car (6) · navigation (5) · ascension (5) · marine (5) · hybrid (5) · electricity (4) · subsystem (4) · safety (4) · rudder (4) · None (4) · airplane (4)
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