Drilldown: Patents

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Patents > Year granted: 1900 - 1909 & Inventor country : DE or NL & Application number: None & Assigned to: None & Number of figures: None

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Inventors:
None (5) · Armin Kersten (2) · August Riedinger (2) · Johannes Schilling (2)
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Tech fields:
LTA (21) · None (13) · balloon (12) · navigation (8) · propulsion (8) · propeller (7) · fun (6) · gas (6) · kite (6) · whole (6) · toy (5) · stability (4) · car (4) · hydrogen (3) · pressure (3) · frame (3) · electricity (3) · safety (3) · parachute (3)
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Showing below up to 67 results in range #1 to #67.

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