Drilldown: Patents

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Patents > Office : CH or HU or LU & Filing date: 1890 - 1899 & CPCs: None

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Office: (Click arrow to add another value)
Inventors:
Heinrich Suter (4) · August Riedinger (4) · None (2) · Ferdinand von Zeppelin (2) · Joseph Hofmann (2) · Rudolf Krocker (2)
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Tech fields:
LTA (21) · propulsion (12) · frame (10) · design (9) · balloon (8) · Dirigibles (7) · Propellers (5) · navigation (5) · Airship (4) · propeller (4) · construction (3) · Wings (3) · whole (3) · airplane (3) · steering (3) · Rigid (3)
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