Drilldown: Patents

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Patents > Office : AT or HU or NO & Filing date: 1800 - 1899

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LTA (14) · design (7) · Dirigibles (7) · propulsion (6) · Propellers (5) · None (4) · Airship (4) · balloon (4) · Frame (4) · propeller (3) · navigation (3) · wings (3) · Construction (3) · Whole (2) · dirigible (2) · steering (2) · helicopter (2) · Hybrid (2) · Blimp (2) · marine (2)
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Showing below up to 29 results in range #1 to #29.

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