Drilldown: Patents

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Patents > Year granted: 1910 - 1919 & Office : BE or DE or NL or Other & Inventor country : MX or Prussia & Related to aircraft: 1

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LTA (11) · gas (6) · balloon (4) · airship (4) · None (3) · whole (3) · propulsion (3) · car (3) · propeller (3) · design (3) · frame (3) · flying machine (2) · subsystem (2) · method (2) · hybrid (2) · airplane (2) · dirigible (2) · ballonet (2) · chemistry (2)
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Showing below up to 28 results in range #1 to #28.

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