Drilldown: Patents

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Patents > Year granted: 1894 & Inventor country : DE or IE

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propulsion (13) · LTA (9) · propeller (9) · navigation (7) · None (5) · car (4) · airship (4) · stability (4) · jet (4) · ascension (3) · balloon (3) · frame (3) · metal (2) · steam (2) · airfoil (2) · marine (2) · gas (2)
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Showing below up to 32 results in range #1 to #32.

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